What is the remainder when 2x4 + 5x3 - 17x2 - 5 is divided by x + 3?

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asked Nov 12, 2019 89.4k views

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Martin Chaov · Answer 1 · 2019-11-16T22:21:47+0000

By the remainder theorem when the function is divided by x + 3 , the remainder is f(-3).

f(-3) =2(-3)^4 + 5(-3)^3 - 17(-3)^2 - 5 = 162 - 135 - 153 - 5 = -131 (answer)

What is the remainder when 2x4 + 5x3 - 17x2 - 5 is divided by x + 3?

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