# Thread: college algebra; solve by factoring plz help me

1. ## college algebra; solve by factoring plz help me

solve the following by factoring:

im so lost on this please help!!!

x(to the power of 2) - 6x - 16 =0

2. See if you can follow the example here: Tips on factoring, a not equal to 1

The process is exactly the same for any quadratic.

3. Originally Posted by leann
solve the following by factoring:

im so lost on this please help!!!

x(to the power of 2) - 6x - 16 =0
$x^2-6x-16=0$

$(x-8)(x+2)$ you can check by foiling

$x^2+2x-8x-16=x^2-6x-16$

$x-8=0$ and $x+2=0$

$x=8$ and $x=-2$ is the solution