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5 December, 23:57

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

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  1. 6 December, 00:12
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    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)
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