SOLUTION: Factor 9x^2 - 4y^2 MY WORK - 81X

SOLUTION: Factor 9x^2 - 4y^2 MY WORK - 81X - 16Y

Question 59059This question is from textbook elementary and intermediate algebra
: Factor 9x^2 - 4y^2
MY WORK - 81X - 16Y This question is from textbook elementary and intermediate algebra

Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
Factor 9x^2 - 4y^2 .....
THIS RESEMBLES
A^2-B^2 = (A+B)(A-B)......
SO LET US TRY TO PUT IT INTO THAT FORM
=(3X)^2 - (2Y)^2 ...SO
A=3X........B=2Y
HENCE WE GET
(3X+2Y)(3X-2Y)
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