# 6x^2-10x-16=0?

##### 3 Answers

Solve the quadratic to get

#### Explanation:

I assume the question wants the solutions for

Divide through to make the first coefficient 1:

Complete the square:

So

Since a - b + c = 0, use shortcut.

The 2 real roots are:

x = -1 ,and

**Reminder of shortcut** .

If a + b + c = 0, the 2 real roots are: x = 1, and

Example 1. Solve:

x = 1, and

If a - b + c = 0, the 2 real roots are: x = -1, and

Example 2. Solve:

x = -1, and

Another way

#### Explanation:

if

In this case