# How do you solve #2x ^ { 2} + 3x - 20= 6#?

##### 1 Answer

Jun 2, 2017

#### Explanation:

This can be confusing because as the expression is currently expressed, it can be factored on the left hand side.

However, this is not helpful because we need to know when all the multiplied factors on the left *equal zero* on the right.

So, to complete this problem, we must subtract

This does *not* factor, so we have to use the quadratic equation:

This gives two solutions

In decimal form, we have