X^3+3x^2+kx-10 and x-1 is a factor what is k

asked Jul 10, 2023 141k views

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Answer:

Explanation:

Using the factor theorem, the expression evaluated at
x=1 will equal
.

$1^3+3(1^2)+k(1)-10=0 \\ \\ 1+3+k-10=0 \\ \\ k=6$

Ennael answered Jul 14, 2023

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