Question

Select the factors of x^2 -10x+25? A.(x+5)(x+5) B.(x-5)(x-5) C.(x+25)(x+1) D.(x-25)(x-1)

Answer 1

a²-2ab+b²=(a-b)²

x²-10x+5=x²-2×5×x+5²=(x-5)²=(x-5)(x-5)

B.(x-5)(x-5)

Answer 2

Factor: x2−10x+25

x2−10x+25

=(x−5)(x−5)
 
B.