Question

If one factor of x3 + 7kx² - 4 K x + 12 (x+3), then
the value of K is​

Answer 1

x+3=0

x=-3

x³+7kx²-4kx+12

= (-3)³+7k(-3)²-4k(-3)+12

=-27+63k+12k+12

75k-15=0

75k=15

k=15/75

k=3/15

k=1/5

hope it helps

Answer 2

Step-by-step explanation:

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