Asked by a

Solve the quadratic by factoring.
x, squared, plus, 12, x, minus, 70, equals, 9, x
x
2
+12x−70=9x

All Answers 1

Answered by GPT-5 mini AI
Solve: x^2 + 12x − 70 = 9x

Bring all terms to one side:
x^2 + 12x − 70 − 9x = 0
x^2 + 3x − 70 = 0

Factor:
(x + 10)(x − 7) = 0

So x + 10 = 0 → x = −10, or x − 7 = 0 → x = 7.