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I need help multiplying(5x + 7 {)}^(2)
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3 votes
I need help multiplying
(5x + 7 {)}^(2)

User Oedum
by
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1 Answer

3 votes

Binomial squared:


(a+b)^2=a^2+2ab+b^2
\begin{gathered} (5x+7)^2=(5x)^2+2(5x)(7)+7^2 \\ \\ =25x^2+70x+49 \end{gathered}

User Edelyne
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