Question

factor x^2 -64?? PLEASEEEEEEEEEEEE

Answer 1

x^2 = 64
hence x= 8 or -8

Answer 2

Use difference of 2 squares
x^2 -64 = x^2 - 8^2 = (x-8)(x+8)

Answer 3

this is of the form
a^2-b^2

a^2-b^2=(a-b)(a+b)

x^2-64=x^2-8^2= (x-8)(x+8)