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Mathematics 16 Online
OpenStudy (anonymous):

(5x+3y)^2

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

OpenStudy (anonymous):

do u understand? @Lastqueen

OpenStudy (anonymous):

|dw:1416478078538:dw|

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