Question

When the x³+3x²-kx+4 is divided by x+3, the remainder is k. find the value of k.

Please answer it fastly.
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Answer 1

Answer:

--2

Step-by-step explanation:

quotient (x^2--k) and remainder 4+3k . here 4+3k=k from it k= --2

Answer 2

Answer:

Your answer is here:-

Step-by-step explanation:

x + 3

so, x = -3

p(x) = x³ + 3x² - kx + 4

p(-3) = (-3)³ + 3(-3)² - k(-3) + 4

(-3)³ + 3(-3)² - k(-3) + 4 = k

- 27 + 3(9) + 3k +4 = k

- 27 + 27 +3k + 4 = k

3k + 4 = k

3k - k = -4

2k = - 4

k = -4/2

k = -2

Hope it helps you.