# Whats this? #x^2+16x=61#

##### 3 Answers

This is a trinomial

#### Explanation:

This trinomial can be solved using the quadratic equation.

#### Explanation:

A trinomial is a 3 term polynomial. For example, 5x2 − 2x + 3 is a trinomial.

Standard form of quadratic equation is

x-intercepts:

Approximate x-intercepts:

#### Explanation:

Solve:

Subtract

where:

To solve for

Plug in the known values and solve.

Simplify.

Prime factorize

Apply rule:

Simplify.

x-intercepts:

Approximate x-intercepts:

graph{y=x^2+16x-61 [-14.02, 8.48, -7.83, 3.42]}