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

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asked Jan 18, 2017 210k views

1 Answer

Jerve · Answer 1 · 2017-01-22T22:26:08+0000

(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

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

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