SOLUTION: hello how do i factor this polynomial completely: 2x^2 - 8 thank you!

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: hello how do i factor this polynomial completely: 2x^2 - 8 thank you!      Log On


   

Question 63973This question is from textbook algebra for college students
: hello
how do i factor this polynomial completely:
2x^2 - 8
thank you! This question is from textbook algebra for college students

Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
2x%5E2-8 Factor out the GCF, 2
2%28x%5E2-4%29 Factor the difference of squares highlight%28a%5E2-b%5E2=%28a%2Bb%29%28a-b%29%29, a=x, b=2
2%28x%2B2%29%28x-2%29
Happy Calculating!!!