gtabby01
gtabby01
27-03-2020
Mathematics
contestada
What is 2-4y-7y^2+5y^2+5+4y-2y
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1877LESSONS4KIDS
1877LESSONS4KIDS
27-03-2020
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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