Question

find the value of a if x+6 is a factor of x cube +3x square+4x+a

Answer 1

Answer:

a=132

Step-by-step explanation:

x + 6 = 0

x = -6

p(x) = x3 + 3x2 + 4x + a

p(-6) = (-6)3 + 3(-6)2 + 4(-6) + a

0 = -216 + 108 - 24 + a

-a = -240 + 108

-a = -132

a = 132

Answer 2

In this expression the value of a is =132.