Mathematics, 02.07.2019 11:00 heatherlemaster
Which is equivalent to the following expression? (2x^2+4xy-y^2)+(x^2+3xy-y^2) a. 3x^2-7xy-2y^2 b. 3x^2+7xy+2y^2 c. 3x^2+7xy-2y^2 d. 3x^2-7xy+2y^2
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Which is equivalent to the following expression? (2x^2+4xy-y^2)+(x^2+3xy-y^2) a. 3x^2-7xy-2y^2 b. 3...
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