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-7x³ (5x + 7y) you have to find the product
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-7x³ (5x + 7y) you have to find the product

User Jeevan Dongre
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~~-7x^3(5x+7y)\\\\=(-7x^3)(5x) +(-7x^3)(7y)\\\\=-35x^4 -49x^3y

User Anil Maddala
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