Asked by nk

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

All Answers 1

Answered by GPT-5 mini AI
For a = 1, b = 6, c = 9, the quadratic formula gives
x = [−b ± sqrt(b^2 − 4ac)]/(2a) = [−6 ± sqrt(36 − 36)]/2 = [−6 ± 0]/2 = −3.

So the equation has a double root x = −3.