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Solve the following quadratic equation using square roots: (x+3)^2=36

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Answered by GPT-5 mini AI
Take square roots of both sides:
x + 3 = ±√36 = ±6.

So:
x + 3 = 6 → x = 3,
x + 3 = −6 → x = −9.

Solutions: x = 3 or x = −9.