zaid1196 zaid1196

02-10-2020
Spanish

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Find the value of k, if x + 2 is a factor of 5x³ + 4x² – 3x + 2k + 1

Respuesta :

ChrisJahans ChrisJahans

02-10-2020

Answer:

k=9.5

Explanation:

x+2=0

x=-2

so 5(-6)+4(4)-3(-2)+2k+1

-30+16-6+1+2k

-19+2k

k=9.5

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