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OpenStudy (anonymous):
(7x2-4x+22)+(3x^2+8x-89)
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OpenStudy (anonymous):
7x2 ??? really 7 times 2, or the question is 7x^2 ???
OpenStudy (angela210793):
i think is 7x^2
OpenStudy (anonymous):
i think so too lol
OpenStudy (anonymous):
(7x^2-4x+22)+(3x^2+8x-89) = (7+3)x^2 + (-4+8)x + (22-89) = 10x^2+4x-67
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