1. ## factoring trinomials

how do you factor this?
x squared -7x -10

2. Originally Posted by mommyneedshelp
how do you factor this?
x squared -7x -10

are you sure it's not: $x^2-7x+10$

3. yes I am sure it is not

4. Originally Posted by mommyneedshelp
how do you factor this?
x squared -7x -10

5. Originally Posted by mommyneedshelp
yes I am sure it is not
You'll need the quadratic formula for it then I'm afraid.

$x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}$

$x = \frac{-(-7) \pm \sqrt{49-4(1)(-10)}}{2(1)}$