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OpenStudy (anonymous):
can somone check my work PLEASE? Add. (8.1x2 – 5.9x – 7.1) + (-9.8x2 – 8.1x – 4.8) = 8.1^2 - 5.9x - 7.1 + 9.8x^2 - 8.1x - 7.1 - 4.8 = 8.1x^2 + 9.8x^2 - 5.9x - 8.1x - 7.1 - 4.8 = 17.9x^2 + 14 + 2.3
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OpenStudy (lalaly):
8.1x^2 - 9.8x^2 -5.9x -8.1x -7.1 -4.8 =-1.7x^2 - 14x -11.9
OpenStudy (anonymous):
-1.7x^2-14x-11.9
OpenStudy (anonymous):
Thanks!!
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