2(x-3)^2-12=116 help

Joby asked Jan 19, 2023

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Joby asked Jan 19, 2023

by Joby

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20 votes

Explanation:

$2(x - 3) {}^(2) - 12 = 116 \\$

$2 * ( {x}^(2) - 6x + 9) - 12 = 116$

${2x}^(2) - 12x + 18 - 12 = 116$

${2x}^(2) - 12x - 110 = 0$

${x}^(2) - 6x - 55 = 0$

${x}^(2) - 11x + 5x - 55 = 0$

x(x - 11) + 5(x - 11) = 0

(x +5 )(x - 11) = 0

MrEvil answered Jan 23, 2023

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