Question

Factor g2 – 64

Answer 1

(g+8) (g-8) ?

Answer 2

g^2-64
Consider that 8 * 8 and that -8 * -8 = 64.
We are looking for a negative number.
Therefore, we need a positive and a negative factor.
So our answer is (g-8)(g+8) or (g+8)(g-8)

Answer 3

g2 – 64 = g^2 - 8^2 = (g -8) ( g + 8)