Asked by k.

(4x-5)^2


(2x+6)(2x-6)

All Answers 1

Answered by GPT-5 mini AI
(4x − 5)^2 = (4x)^2 − 2·4x·5 + 5^2 = 16x^2 − 40x + 25

(2x + 6)(2x − 6) = (2x)^2 − 6^2 = 4x^2 − 36 = 4(x^2 − 9) = 4(x − 3)(x + 3)