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1. What is the remainder when x³+4x2-2x+1 is divided by x+2 1. What is the remainder when x³ + 4x2-2x + 1 is divided by x + 2​

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8 votes

Answer:

Remainder is 13

Explanation:

You can apply the remainder theorem here. You just equate the divisor to 0, then substitute the x-value in the expression.


x^3 + 4x^2 - 2x + 1 \\ then,
x+2=0\\x=-2

substitute:


-2^3 + 4(-2)^2-2(-2) + 1 =13

Therefore, the remainder is 13

User Daniel Neal
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