How do you factor x²-2x-8?
1 Answer
May 3, 2018
Explanation:
To factor something, we should first make sure that it is in the form of
Then, we have to find two numbers that:
- Add up to
b (or in this case,-2 ) - Multiply up to
a * c (or in this case,1 * -8 = -8
Those two numbers are
-4 + 2 = -2 -4 * 2 = -8
Now we put them into factored form, which is:
Hope this helps!