SOLUTION: Find the LCM of the polynomials. x^2+13x+40 x^2-64

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find the LCM of the polynomials. x^2+13x+40 x^2-64      Log On


   

Question 1171024: Find the LCM of the polynomials.
x^2+13x+40
x^2-64
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

x%5E2%2B13x%2B40....factor
x%5E2%2B5x%2B8x%2B40
%28x%5E2%2B5x%29%2B%288x%2B40%29
x%28x%2B5%29%2B8%28x%2B5%29
%28x+%2B+5%29%28x+%2B+8%29+=+0
x%5E2-64...factor
x%5E2-8%5E2
%28x-8%29%28x%2B8%29

the LCM of the polynomials is %28x+%2B+5%29%28x+%2B+8%29%28x-8%29