SOLUTION: Factor: 8a^3+27b^3 I got (2a+3b)(4a^2-6ab+9b^2) I am thinking that my answer is way to long Thank you for your help in advance

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Factor: 8a^3+27b^3 I got (2a+3b)(4a^2-6ab+9b^2) I am thinking that my answer is way to long Thank you for your help in advance      Log On


   

Question 1037833: Factor:
8a^3+27b^3
I got
(2a+3b)(4a^2-6ab+9b^2)
I am thinking that my answer is way to long
Thank you for your help in advance
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
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In your case, x=2a, y=3b
8a%5E3%2B27b%5E3=%282a%2B3b%29%284a%5E2-%282a%29%283b%29%2B9b%5E2%29
8a%5E3%2B27b%5E3=%282a%2B3b%29%284a%5E2-6ab%2B9b%5E2%29
Nope, not too long, just right.