Multiply (2x – 2y – 3) with (x + y + 5)

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Solution

(2x – 2y – 3) $\times$ (x + y + 5)
= $2 x^{2}$ + 2xy + 10x – 2yx – $2 y^{2}$ – 10y – 3x – 3y – 15
= $2 x^{2} - 2 y^{2}$ + 7x – 13y - 15

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