Question

Solve the quadratic equation.

Answer 1

$(x - 7)^2 = 81$

$x - 7 = \pm \sqrt{81}$

$x - 7 = \pm 9$

$x = 9 + 7 \ \ or \ x = -9 + 7$

$x = 16 \ \ or \ x = -2$

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Answer: x = 16 or x = -2 ( Answer C)
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