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OpenStudy (anonymous):
What is the sum or difference? 3x^8-7x^8
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OpenStudy (raden):
3x^8-7x^8 = (3-7)x^8 = -4x^8
OpenStudy (anonymous):
6y^5 – 9y^5
OpenStudy (raden):
like the first, just subtract the coefficients each term y^5, 6y^5 – 9y^5 = (6-9)y^5 = -3y^5
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