SOLUTION: find the missing value for this problem it shows (6g___)(6g+3h)=36g^2-9h^2

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Question 1033655: find the missing value for this problem it shows (6g___)(6g+3h)=36g^2-9h^2
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
In general;x^2-y^2=(x+y)(x-y).
In this instance:
sqrt 36g^2=6g
sqrt 9h^2=3h
Thus
36g^2-9h^2=(6g+3h)(6g-3h)!!!!!!!!!