###### 15

Factor the given polynomial

\(2t+2=\)

###### 16

Factor the given polynomial

\(-8t-8=\)

###### 17

Factor the given polynomial

\(25x^2 - 10=\)

###### 18

Factor the given polynomial

\({18x^{4}-14x^{3}+6x^{2}}=\)

###### 19

Factor the given polynomial

\({35y+45y^{2}+40y^{3}}=\)

###### 20

Factor the given polynomial

\({5xy+5y}=\)

###### 21

Factor the given polynomial

\({24x^{5}y^{5}-40x^{4}y^{5}+20x^{3}y^{5}}=\)

###### 22

Factor the given polynomial

\({r^{2}-7r-10r+70}=\)

###### 23

Factor the given polynomial

\({xy-8x+7y-56}=\)

###### 24

Factor the given polynomial

\({x^{3}+9-2x^{3}y-18y}=\)

###### 25

Factor the given polynomial

\({t^{2}-5t-14}=\)

###### 26

Factor the given polynomial

\({2x^{2}+3x-27}=\)

###### 27

Factor the given polynomial

\({2x^{2}t^{2}-17xt-9}=\)

###### 28

Factor the given polynomial

\({3y^{2}-4y+6}=\)

###### 29

Factor the given polynomial

\({4y^{2}-3y-1}=\)

###### 30

Factor the given polynomial

\({15y^{2}+23y+6}=\)

###### 31

Factor the given polynomial

\({8r^{2}-22r+15}=\)

###### 32

Factor the given polynomial

\({2r^{2}+15rx+18x^{2}}=\)

###### 33

Factor the given polynomial

\({2t^{2}-11tx+15x^{2}}=\)

###### 34

Factor the given polynomial

\({4t^{2}-ty-14y^{2}}=\)

###### 35

Factor the given polynomial

\({8x^{2}+14xr+3r^{2}}=\)

###### 36

Factor the given polynomial

\({4x^{2}-16xt+15t^{2}}=\)

###### 37

Factor the given polynomial

\({12y^{2}-4y-40}=\)

###### 38

Factor the given polynomial

\({12y^{2}x^{2}-16yx-16}=\)

###### 39

Factor the given polynomial

\({10y^{7}+25y^{6}+10y^{5}}=\)

###### 40

Factor the given polynomial

\({6r^{9}-14r^{8}+8r^{7}}=\)

###### 41

Factor the given polynomial

\({4x^{2}+18xy+18y^{2}}=\)

###### 42

Factor the given polynomial

\({4x^{2}-14xy+10y^{2}}=\)

###### 43

Factor the given polynomial

\({4x^{2}\!\left(y-3\right)+18x\!\left(y-3\right)+14\!\left(y-3\right)}=\)

###### 44

Factor the given polynomial

\({x^{2}+5x+4}=\)

###### 45

Factor the given polynomial

\({x^{2}-15x+56}=\)

###### 46

Factor the given polynomial

\({x^{2}+6xy+8y^{2}}=\)

###### 47

Factor the given polynomial

\({y^{2}t^{2}-5yt-6}=\)

###### 48

Factor the given polynomial

\({y^{2}-4yr+3r^{2}}=\)

###### 49

Factor the given polynomial

\({2r^{2}y^{2}+18ry+16}=\)

###### 50

Factor the given polynomial

\({9r^{2}+9r-18}=\)

###### 51

Factor the given polynomial

\({2t^{5}+8t^{4}+6t^{3}}=\)

###### 52

Factor the given polynomial

\({3t^{7}-12t^{6}+9t^{5}}=\)

###### 53

Factor the given polynomial

\({2x^{2}y+20xy+18y}=\)

###### 54

Factor the given polynomial

\({5x^{2}y-25xy+20y}=\)

###### 55

Factor the given polynomial

\({4x^{2}y^{3}-12xy^{2}+8y}=\)

###### 56

Factor the given polynomial

\({x^{2}y^{2}-16x^{2}z^{2}}=\)

###### 57

Factor the given polynomial

\({y^{2}+1.3y+0.4}=\)

###### 58

Factor the given polynomial

\({r^{2}-4}=\)

###### 59

Factor the given polynomial

\({r^{2}t^{2}-64}=\)

###### 60

Factor the given polynomial

\({36-t^{2}}=\)

###### 61

Factor the given polynomial

\({t^{4}-9}=\)

###### 62

Factor the given polynomial

\({x^{14}-100}=\)

###### 63

Factor the given polynomial

\({x^{10}-9y^{12}}=\)

###### 64

Factor the given polynomial

\({x^{4}-16}=\)

###### 65

Factor the given polynomial

\({10y^{3}-10y}=\)

###### 66

Factor the given polynomial

\({y^{2}+25}=\)

###### 67

Factor the given polynomial

\({12-12r^{2}}=\)

###### 68

Factor the given polynomial

\({r^{2}+16r+64}=\)

###### 69

Factor the given polynomial

\({t^{2}-20ty+100y^{2}}=\)

###### 70

Factor the given polynomial

\({t^{2}-24t+144}=\)

###### 71

Factor the given polynomial

\({64x^{2}-16x+1}=\)

###### 72

Factor the given polynomial

\({x^{2}+2xy+y^{2}}=\)

###### 73

Factor the given polynomial

\({81x^{2}+36xt+4t^{2}}=\)

###### 74

Factor the given polynomial

\({45y^{2}r^{2}+30yr+5}=\)

###### 75

Factor the given polynomial

\({16y^{5}+8y^{4}+y^{3}}=\)

###### 76

Factor the given polynomial

\({28r^{8}+28r^{7}+7r^{6}}=\)

###### 77

Factor the given polynomial

\({r^{3}+343}=\)

\(\text{Hint}: 343=7^3\)

###### 78

Factor the given polynomial

\({27t^{3}+1}=\)

###### 79

Factor the given polynomial

\({729t^{3}+1000}=\)

\(\text{Hint}: 729=9^3\text{, } 1000=10^3\)

###### 80

Factor the given polynomial

\({x^{3}y^{3}+8}=\)

###### 81

Factor the given polynomial

\({27x^{4}+512x}=\)

\(\text{Hint}: 512=8^3\)

###### 82

Factor the given polynomial

\({0.64x-x^{3}}=\)

###### 83

Factor the given polynomial

\({4y^{4}-64}=\)

###### 84

Factor the given polynomial

\({x^{2}-2x+1-9y^{2}}=\)