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Ksivusya [100]
3 years ago
6

Find k such that (x+2) is a factor of (x^3-kx^2+3x+7k)

Mathematics
1 answer:
Over [174]3 years ago
4 0
X+2 =0
x= -2

subs x= -2 in the equation

(-2)^3 - k(-2)^2 +3(-2) +7k = 0
-8 - 4k - 6 +7k =0
3k = 14
k= 14/3
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