Apply the special factoring rules to factor the following binomial

Question

asked Apr 19, 2023 40.5k views

1 Answer

Mohit Goel · Answer 1 · 2023-04-25T13:32:36+0000

It factors to (x - 0.9)(x + 0.9)

=================================================

Work Shown:

$x^2 - 0.81\\\\x^2 - (0.9)^2\\\\(x-0.9)(x+0.9)$

I used the difference of squares factoring rule. The order of the factors doesn't matter. So an alternative answer is (x+0.9)(x-0.9)