Question

Select the factors of x2 − 10x + 25. (x + 5)(x + 5) (x − 5)(x − 5) (x + 25)(x + 1) (x − 25)(x − 1)

Answer 1

Find two numbers that sum to -10 and multiply to make 25.

The two numbers are -5 & -5, so the factor is:

(x - 5)(x - 5)