Mathematics, 04.07.2019 22:30 hidagiser

Find the product of (3x+7y)^2 a) 9x^2 - 42xy + 49y^2 b) 9x^2 - 49y^2 c) 9x^2 + 49y^2 d) 9x^2+42xy+49y^2

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Find the product of (3x+7y)^2 a) 9x^2 - 42xy + 49y^2 b) 9x^2 - 49y^2 c) 9x^2 + 49y^2 d) 9x^2+42xy+4...

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