Chapter 8 - Polynomials and Factoring - Mid-Chapter Quiz - Page 498: 22

$4m^{2}$-28m+49

Work Step by Step

In order to simplify the product $(2m-7)^{2}$ we must apply the rule that states that $(a-b)^{2}$=$a^{2}$-2ab+$b^{2}$, and we'll set a=2m and b=7. Therefore, $(2m-7)^{2}$=$(2m)^{2}$-2(2m)(7)+$7^{2}$ =$4m^{2}$-28m+49

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