Exercise 63

Simplify the following expressions if possible.

  1. \(\displaystyle{ {m^{2}+m^{2}}=}\)

  2. \(\displaystyle{ (m^2)(m^2)=}\)

  3. \(\displaystyle{ {m^{2}+m^{3}}=}\)

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

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