23-06-2018
Mathematics

contestada

if x + 2 is a factor of x^2 +mx + 14 find m

Respuesta :

mkryukova19 mkryukova19

23-06-2018

x² + mx + 14

If (x+2) one of the factors, we can write

14 = 2*7
m = 2+7= 9

x² +9x + 14 = (x+2)(x+7)

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