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Mathematics 12 Online
OpenStudy (macaylam):

Kendall says the sum of (6x^2 + 4xy + 2y^2) and (4x^2 – 2xy – 3y^2) is (10x^2 + 2xy – 5y^2). What error did Kendall make? He combined the like terms 6x^2 and 4x^2 incorrectly. He combined the like terms 4xy and –2xy incorrectly. He combined the like terms 2y^2 and –3y^2 incorrectly. He subtracted the polynomials instead of adding.

OpenStudy (royalranger):

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