Exercise58

Simplify the following expressions if possible.

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

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

3) \(\displaystyle{ {-3p^{4}+2p^{2}}=}\)

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

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