SOLUTION: I need to know how to factor for trinomials 2 X -64

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I need to know how to factor for trinomials 2 X -64       Log On


   

Question 241508: I need to know how to factor for trinomials
2
X -64
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 - 64
can be rewritten as:
x^2 - 8^2
this is a "special case" -- "difference of squares"
which factors out to
(x-8)(x+8)