Simplifying Quadratics - GED Math

Card 1 of 40

0
Didn't Know
Knew It
0
1 of 2019 left
Question

Tap to reveal answer

Answer

This is a quadratic equation, but it is not in standard form.

We express it in standard form as follows, using the FOIL technique:

Now factor the quadratic expression on the left. It can be factored as

where .

By trial and error we find that , so

can be rewritten as

.

Set each linear binomial equal to 0 and solve separately:

The solution set is .

← Didn't Know|Knew It →