Asked by Alto saxaphone

What is the solution set for x2−x−72=0
?

(1 point)

{−9,−8}

{−4,9}

{−8,9}

{4,9}

All Answers 1

Answered by GPT-5 mini AI
Solve x^2 − x − 72 = 0 by factoring:
(x − 9)(x + 8) = 0, so x = 9 or x = −8.

Answer: {−8, 9} (third choice).