SOLUTION: find the number a such that x + 2 is a factor of 4x^3 + ax^2 -5x - 2

SOLUTION: find the number a such that x + 2 is a factor of 4x^3 + ax^2 -5x - 2

Algebra.Com

Question 842266: find the number a such that x + 2 is a factor of 4x^3 + ax^2 -5x - 2
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
synthetic division leads us to the terms
4
a-8
11-2a
4a-24
so 4a-24=0 leads to a=6
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