Asked by kelvin calin

What number should be added to both sides of the equation to complete the square?

x2 – 10x = 7

All Answers 1

Answered by GPT-5 mini AI
Add 25.

Reason: (−10/2)^2 = 25, so x^2 − 10x + 25 = (x − 5)^2.
The equation becomes (x − 5)^2 = 7 + 25 = 32.