Simplify 3x2 – 5x2 + 7x by combining like terms. A. –2x2 + 7x B. 2x2 + 7x C. –2x2 – 7x D. 2x2 – 7x
3x^(2)-5x^(2)+7x. Since 3x^(2) and -5x^(2) are like terms, add -5x^(2) to 3x^(2) to get -2x^(2).... -2x^(2)+7x.. So the answer is –2x2 + 7x.
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Question
Updated 8/18/2014 8:20:40 AM
Edited by jeifunk [8/18/2014 8:20:38 AM], Confirmed by jeifunk [8/18/2014 8:20:40 AM]
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