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Mathematics, 19.08.2021 05:10, kristynwoodrufp10xsy
Caleb is solving the following equation for xxx. x=\sqrt{x+2}+7x= x+2 β +7x, equals, square root of, x, plus, 2, end square root, plus, 7 His first few steps are given below. \begin{aligned}x-7&=\sqrt{x+2}\ \ \\ (x-7)^2&=(\sqrt{x+2})^2\\ \\ x^2-14x+49&=x+2 \end{aligned} xβ7 (xβ7) 2 x 2 β14x+49 β = x+2 β =( x+2 β ) 2 =x+2 β Is it necessary for Caleb to check his answers for extraneous solutions?
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Caleb is solving the following equation for xxx. x=\sqrt{x+2}+7x= x+2 β +7x, equals, square root of,...
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