Question

if x+2 is a factor of x ^2-mx then find the value of m​

Answer 1

Answer:

m = -2

Step-by-step explanation:

If x+2 is a factor

Then, x = -2

==: x² - mx = 0

==: (-2)² - m(-2) = 0

==: 4 + 2m = 0

==: 2m = -4

==: m = -2

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Answer 2

Answer : -2

Step-by-step explanation :

If x + 2 = 0 . x = - 2

(-2)^2 - m(-2) = 0

4 + 2m = 0

2m = - 4

m = - 4/2

m = - 2

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