Question

a^2 + 12ab + 27b^2
Answer: (a+9b)(a+3b)
I have to show my work for how to check the answer but im not sure how to do it.

Answer 1

factroing trinomials btw

Answer 2

read this tutorial on how to factor. this will help better your understanding
http://www.algebrahelp.com/lessons/factoring/trinomial/

Answer 3

i know how to factor i just dont know how to check my answer for this one

Answer 4

so you need just multiplie term by term from parantheses the same like

(a+b)(a+b)=a^2 +ab +ab +b^2 =a^2 +2ab +b^2

-so hope so much that is understandably sure right

good luck

bye