SOLUTION: how do you solve x^2-8x + 8 I tried to factor but doesn't work for this.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: how do you solve x^2-8x + 8 I tried to factor but doesn't work for this.      Log On


   

Question 409598: how do you solve x^2-8x + 8
I tried to factor but doesn't work for this.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Factoring is not a surefire way in solving this (also, factoring implies that the zeros are already known, using a guess-and-check method).

Best way is to use the quadratic formula.

x+=+%288+%2B-+sqrt%2864+-+4%288%29%29%29%2F2, you can simplify from there on.