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Find each of the following products: (7x + 2y) × (x + 4y) |
Answer» By using horizontal method, We have; = (7x + 2y) × (x + 4y) = 7x(x +4y) + 2y(x + 4y) = 7x2 + 28xy + 2xy + 8y2 = 7x2 + 30xy + 8y2 |
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