SOLUTION: Really need help on this! Find the least common multiple of each pair of polynomials. 7(x-2)(x+5) & 2(x+5)^2 I've tried this, and came out with 2(7(x-2)(x+5)(x+5))) I ma

Algebra ->  Rational-functions -> SOLUTION: Really need help on this! Find the least common multiple of each pair of polynomials. 7(x-2)(x+5) & 2(x+5)^2 I've tried this, and came out with 2(7(x-2)(x+5)(x+5))) I ma      Log On


   

Question 301424: Really need help on this!
Find the least common multiple of each pair of polynomials.
7(x-2)(x+5) & 2(x+5)^2
I've tried this, and came out with 2(7(x-2)(x+5)(x+5)))
I made a mistake somewhere, so what do I do?
Found 2 solutions by JBarnum, richwmiller:
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
7%28x-2%29%28x%2B5%29 and 2%28x%2B5%29%5E2
7%28x-2%29%28x%2B5%29 and 2%28x%2B5%29%28x%2B5%29
the only things that are in common is that they both have %28x%2B5%29
so if we take away 1 (x+5) from both numbers i.e. 7%28x-2%29cross%28x%2B5%29 and 2%28x%2B5%29cross%28x%2B5%29
and then just multiply what is left to find the least common multiple
7%28x-2%29 and 2%28x%2B5%29
14%28x-2%29%28x%2B5%29 or 14%28x%5E2%2B3x-10%29 or 14x%5E2%2B42x-140%29

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
How do you know you made a mistake?