# How do you find the roots, real and imaginary, of #y= (x+2)^2-x-5 # using the quadratic formula?

##### 1 Answer

#### Answer:

See a solution process below:

#### Explanation:

First, we need to expand the squared term on the right side of the equation using the rule:

#(a + b)^2 = a^2 + 2ab + b^2

Substituting

We can now group and combine like terms to put the equation in standard form for a quadratic.

The quadratic formula states:

For

Substituting

Or