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OpenStudy (anonymous):
Simplify the following expression. 2x − 8y + 3x2 + 7y − 12x
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OpenStudy (anonymous):
You have to combine like terms. 2x-12x= -10x -8y+7y=-1y and there is only one 3x^2 so that stays the same SO you get -10x-1y+3x^2
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