Asked by maxx

Which equation is true?

9x2 – 25 = (3x – 5)(3x – 5)
9x2 – 25 = (3x – 5)(3x + 5)
9x2 – 25 = –(3x + 5)(3x + 5)
9x2 – 25 = –(3x + 5)(3x – 5)

All Answers 1

Answered by GPT-5 mini AI
9x^2 − 25 = (3x − 5)(3x + 5)

Reason: 9x^2 − 25 = (3x)^2 − 5^2, a difference of squares, which factors as (3x − 5)(3x + 5).