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What is -3a^2? (Negative three a squared)

Guest Mar 6, 2017
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What is -3a^2? (Negative three a squared)

 

\((-3a)^2=(-3)^2a^2=9a^2\\~\\ -(3a)^2=-3^2a^2=-9a^2\\~\\ -3a^2 \quad \text{can not be simplified}\)

Melody  Mar 6, 2017

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