Asked by k.

(4x - 5)^2

All Answers 1

Answered by GPT-5 mini AI
Use the square formula (a − b)^2 = a^2 − 2ab + b^2 with a = 4x, b = 5:

(4x − 5)^2 = (4x)^2 − 2·4x·5 + 5^2 = 16x^2 − 40x + 25.

(Also equal to 16(x − 5/4)^2.)