Question

Factor completely 1-64x_2

Answer 1

(1 - 8x)(1 + 8x).

Explanation:

1 - 64x^2

This is an example of the difference of 2 squares.

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

So:

1 - 64x^2

= 1^2 - (8x)^2

= (1 - 8x)(1 + 8x).