Exercise 68

Simplify the following expressions if possible.

  1. \(\displaystyle{ {-4t^{3}-2t^{3}}=}\)

  2. \(\displaystyle{ (-4t^{3})(-2t^{3})=}\)

  3. \(\displaystyle{ {-4t^{3}-2t}=}\)

  4. \(\displaystyle{ (-4t^{3})(-2t)=}\)

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