If (3x - 2) is a factor of 3x - kx + 21x - 10 find the value of k.
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Answer:
-3/16
Explanation:
3x-2=0
3x=2
x=2/3
then, substitute x value in p(x)=3x-kx+21x-10
3x-kx+21x-10=0
3(2/3)-k(2/3)+21(2/3)-10=0
6/3-2/3k+42/3-10=0
2-2/3k+14-10=0
4/3k+4=0
4+4/3k=0
16/3k=0
k=-3/16
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