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OpenStudy (anonymous):
(5x+3y)^2
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OpenStudy (anonymous):
expand the brackets first \[(5x+3y) (5x+3y)\]
OpenStudy (anonymous):
Expand (5x+3y)^2
OpenStudy (camper4834):
(5x+3y)(5x+3y)
OpenStudy (camper4834):
now you FOIL
OpenStudy (anonymous):
expanding the bracket gives you \[25x^2 +15xy+15xy+9y^2\] then simplify to get final answer
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OpenStudy (anonymous):
do u understand? @Lastqueen
OpenStudy (anonymous):
|dw:1416478078538:dw|
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