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OpenStudy (anonymous):
Find the sum of the given polynomials. 3x^2 + 2x - 5 and -4 + 7x^2 -x^2 + 9x - 9 21x^2 + 2x + 20 10x^2 - 5x - 1 10x^2 + 2x - 9
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OpenStudy (anonymous):
@KendrickLamar2014
OpenStudy (kendricklamar2014):
Group like Terms @hhelpplzzzz
OpenStudy (kendricklamar2014):
3x^2 + 2x + 7x^2 - 5 -4
OpenStudy (kendricklamar2014):
3x^2 + 2x + 7x^2 = 10x^2 + 2x
OpenStudy (kendricklamar2014):
-5 -4 = -9
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OpenStudy (kendricklamar2014):
Now add them all up
OpenStudy (kendricklamar2014):
10x^2 + 2x - 9 So that's the asnwer (D)
OpenStudy (anonymous):
thnx
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