Question

Factor the expression below.

x’2— 10x + 25
А. (х – 5)(х + 5)
в. (х + 5)(х + 5)
с. 5(х2 - x+5)
D. (х - 5)(х - 5)

Answer 1

The answer is C

Explanation:

5(2x-x^2+5)

10x-5x^2+25

-5^2+10x+25

Answer 2

D. (x-5) (x-5)

Explanation:

x•x=x`2

x•-5= -5x

-5•x=-5x ((-5x)+(-5x)=-10x)

-5•-5=+25