Question

GOF

What are the factors of x2 – 100?
O (X - 50)(x + 50)
O (X – 10)(x + 10)
0 (x – 25)(x + 4)
O (X - 5)(x + 20)

Answer 1

(x-10)(x+10)

Explanation:

x^2 – 100

This is the difference of squares

x^2 - 10^2

We know that (a^2 - b^2) = (a-b) (a+b)

(x-10)(x+10)