Question

if x + 2 is a factor of x² + mx + 14, then m =​

Answer 1

Answer:

ur answer is m=-9 (putting the value of x=-2

Answer 2

Answer:

Given x+2 is a factor of x²+mx+14

Let p(x)=x²+mx+14

we know that if x−α is a factor of p(x) then p(α)=0

then

p(−2)=0

(−2)²+m(−2)+14=0

4+14−2m=0

2m=18

m= 9

┗(•ˇ_ˇ•)―→m=9

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