Question

find the value of m if (x+2) is a factor of 2x^2+mx +k ​

Answer 1

Answer:

m equal to 36

Step-by-step explanation:

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Answer 2

x+2is factor then

x+2 =0

x= -2

p(x) = 2x²+mx +k =0

p(-2) = 2×-2²+m(-2) +k =0

= 8-2m+k =0

-2m = -8-k

2m = 8+k

m= 8+k/2