(5x 4 – 3x 3 + 6x) – ( 3x 3 + 11x 2 – 8x)

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asked Jan 1, 2018 73.9k views

2 Answers

Nuss · Answer 1 · 2018-01-06T05:57:05+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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