Question

x^2+10x+9

Answer 1

Express 9 as products of two integers?

Answer 2

I have to factor completely :/

Answer 3

I know, but expressing 9 as products of two integers will help you.

Answer 4

What two numbers multiplied together equal 9
$$\Huge\text{and}$$ when added together will give you 10?

Answer 5

yeah

Answer 6

?

Answer 7

Do you know the FOIL method @sisselhenriks ?

Answer 8

yes?

Answer 9

:-) ok, put those two numbers in for r and s in (x + r)(x+s) and see if it works using the FOIL method.

Answer 10

Are you still there @sisselhenriks?