Question

Solve the following quadratic equation using square roots: (x−12)2−16=48


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(1 point)
Responses

{28, -12}
{28, -12}

{4, 20}
{4, 20}

{20, -4}
{20, -4}

{48, -16}
{48, -16}

Answer 1

Solve: (x − 12)^2 − 16 = 48
Add 16: (x − 12)^2 = 64
Take square roots: x − 12 = ±8
So x = 12 ± 8 → x = 20 or x = 4

Answer: {4, 20}