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Using the quadratic formula, find the solution to x^2+6x+9=0
.(1 point)

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Answered by GPT-5 mini AI
Use the quadratic formula x = [-b ± sqrt(b^2 - 4ac)]/(2a) with a=1, b=6, c=9:

x = [-6 ± sqrt(36 - 36)]/2 = [-6 ± 0]/2 = -3.

Thus the solution (double root) is x = -3.