If x+2 is a factor of x^2+mx+14 then m=
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If x+2 is a factor of given polynomial,
(-2) is a zero of given polynomial..
On putting x= - 2 , the value will be 0
=> x^2 + mx + 14 = 0
=> (-2)^2 + m(-2) + 14 = 0
=> 4 - 2m + 14 = 0
=> 18 = 2m
=> m = 9
(-2) is a zero of given polynomial..
On putting x= - 2 , the value will be 0
=> x^2 + mx + 14 = 0
=> (-2)^2 + m(-2) + 14 = 0
=> 4 - 2m + 14 = 0
=> 18 = 2m
=> m = 9
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