SOLUTION: How would you multiply {{{ (5x + 3y)^2 }}}?

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Question 741205: How would you multiply ?
Answer by lenny460(1073)   (Show Source): You can put this solution on YOUR website!
How would you multiply ?

(5x + 3y)^2
(5x + 3y)(5x + 3y)
Multiply using the FOIL Method:
5x * 5x = 25x^2
5x * 3y = 15xy
3y * 5x = 15xy
3y * 3y = 9y^2

Therefore:
25x^2 + 15xy + 15xy + 9y^2
Combine like terms:
15xy + 15xy = 30xy

Answer:
25x^2 + 30xy + 9y^2







Lennox Obuong
Algebra Tutor
Nairobi, Kenya

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