x2+5x+6=0

Multiply2andxMultiply

1andx

The

xjust gets copied along.

xx*2 evaluates to

2xMultiply

xand5Multiply

xand1

The

xjust gets copied along.The answer is

x

x5*x evaluates to

5xx*2+5*x evaluates to

7xx*2+5*x+6 evaluates to

7x+6

The final answer is

7x+6To solve (find the roots of) the quadratic equation

7x+6=0:

First, we'll attempt to factor this quadratic equation as a trinomial.

This polynomial has 2 terms. It must exactly three terms to be a trinomial.

Since this quadratic equation cannot be factored as a trinomial

we will not be able to solve it by factoring.