SOLUTION: can you show me how to factor the following:9x^2+42x+49=

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Question 436980: can you show me how to factor the following:9x^2+42x+49=
Found 2 solutions by Gogonati, ewatrrr:
Answer by Gogonati(855)   (Show Source): You can put this solution on YOUR website!
Rewrite the expression:, remember the formula:
. In our exercise a=3x and b=7, therefore
.
Done.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi

Factoring

9x^2+42x+49 = (3x+7)(3x+7)

  Note:SUM of the outside terms(21x) and the inside terms(21x) = 42x

F	First terms

O	Outside terms

I	Inside terms

L	Last terms

 

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