sar9risonjennchanee sar9risonjennchanee

23-06-2016
Mathematics

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(5x^4 - 3x^3 + 6x) - ( 3x^3 + 11x^2 - 8x)

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JoshEast JoshEast

23-06-2016

(5x⁴ - 3x³ + 6x) - (3x³ + 11x² - 8x)

Expand the second bracket by multiplying throughout by -1
5x⁴ - 3x³ + 6x - 3x³ - 11x² + 8x

Group like terms and simplify
5x⁴ - 3x³ - 3x³ - 11x² + 6x + 8x

5x⁴ - 6x³ - 11x² + 14x

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