SOLUTION: Multiply. (5x + 9^)2

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Question 89256: Multiply. (5x + 9^)2
Answer by malakumar_kos@yahoo.com(315) About Me  (Show Source):
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Multiply. (5x + 9^)2
(5x+9)^2

= (5x)^2+2*5x*9+(9)^2
= 25x^2+90x+81