SOLUTION: factor completely N squared-2n-15

Algebra ->  Test -> SOLUTION: factor completely N squared-2n-15      Log On


   

Question 676404: factor completely
N squared-2n-15
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

n%5E2-2n-15....replace -2n with 3n-5n

n%5E2%2B3n-5n-15.....group

%28n%5E2%2B3n%29-%285n%2B15%29

n%28n%2B3%29-5%28n%2B3%29

%28n-5%29%28n%2B3%29