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14 December, 08:00

What is 2-4y-7y^2+5y^2+5+4y-2y

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  1. 14 December, 08:03
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    Here, we have to combine like terms. - 7y^2+5y^2=-2y^2. - 4y+4y-2y=-2y. 2+5 ... well, you probably know what 2+5 is. Therefore, the answer is - 2y^2-2y+7.
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