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01-10-2017
Mathematics

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(−8x4+x3+2x2+2)+(−x4+5x3−x2+5x)

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xXBMTHXx xXBMTHXx

01-10-2017

Combine like terms. -9x^4+6x^3+x^2+6x

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chewhiuyonowuwox chewhiuyonowuwox

01-10-2017

(-8x⁴ + x³ + 2x² + 2) + (-x⁴ + 5x³ - x² + 5x)
= -8x⁴ + x³ + 2x² + 2 + -x⁴ + 5x³ - x² + 5x
= -9x⁴ + 6x³ + x² + 5x + 2

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