IlonaK547783 IlonaK547783

30-10-2022
Mathematics

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I need help multiplying[tex](5x + 7 {)}^{2} [/tex]

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DomaniC711546 DomaniC711546

30-10-2022

Binomial squared:

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

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