Math, asked by atheer30102007, 6 months ago

Multiply (x+y) and (3x-5y)

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Answered by Anonymous

8

Answer....

$\sf \: (x + y) \: and \: (3x - 5y) \\ \\ \sf = ( x + y) \times (3x - 5y) \\ \\ \sf = x(3x - 5y) + y(3x - 5y) \\ \\ \sf = {3x}^{2} - 5xy + 3xy - {5y}^{2} \\ \\ \sf = {3x}^{2} - {5y}^{2} - 5xy + 3xy \\ \\ \sf = - {2x}^{2} - 2xy$

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