Solve the following quadratic by factoring.

x2+6x+8

Answer: (x+2) (x+4)

(x+2) (x+4)

Explanation:

Factoring means we want something like

(x+_) (x+_)

Which numbers go in the blanks?

We need two numbers that ...

Add together to get 6

Multiply together to get 8

Can you think of the two numbers?

Try 2 and 4:

2+4 = 6

2*4 = 8

Fill in the blanks in

(x+_) (x+_)

with 2 and 4 to get ...

(x+2) (x+4)

Answer:

(x+2) (x+4)