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Mathematics 17 Online
OpenStudy (anonymous):

(x + 2y)2

OpenStudy (anonymous):

so yuh know abut special products

OpenStudy (uri):

waitttt, This formula will be applied (a+b)^2= a^2+2ab+b^2 (x + 2y)2 x^2 -2x(2y)+2y^2 x^2 -4xy -4y^2

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