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Is x+3 a factor of 4x^3+5x^2+8?

Is x+3 a factor of 4x^3+5x^2+8?
asked 93.8k views
4 votes
Is x+3 a factor of 4x^3+5x^2+8?

asked
User Shineeth Hamza
by
8.3k points

1 Answer

6 votes

Answer:

Explanation:


P(x)=4x^3+5x^2+8\\\\P(-3)=(-3)^4+5*(-3)^2+8=81+45+8=134\ and\ not\ zero\ !!!!\\

x+3 is not a factor of P(x)

answered
User Hedin
by
8.7k points
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