Question

7.
If x + 3 is a factor of 3x2 + kx + 2 then value of k is​

Answer 1

3x²+kx+2 has a factor of x+3.

Answer 2

Step-by-step explanation:

given,

x+3=0

x=-3

p(x)=3x^2+kx+2=0

substitute x value

(x=-3)

3(-3)^2+k(-3)+2=0

3(9)-3k+2=0

27-3k+2=0

29-3k=0

29=3k

k=29/3

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