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OpenStudy (anonymous):
Add the following: (8.1x^2 – 5.9x – 7.1) + (-9.8x^2 – 8.1x – 4.8)
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sam (.sam.):
Just add the like terms
sam (.sam.):
a+a=2a b+2b=3b
OpenStudy (anonymous):
I think i have it then thanks
sam (.sam.):
you should get \[-1.7 x^2-14. x-11.9\]
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