34.1k views
4 votes
Solve the quadratic equation x^2-2x-8=0

I have tried many ways for this one but it ends up being a ridiculous answer.

1 Answer

5 votes
Using cross multiplication


x^(2) -2x-8 =0
(x-4)(x+2)=0
x-4=0
x+2=0

Thus x=4,-2
User Leijonien
by
5.3k points