SOLUTION: Suppose that the coefficients of the equation P(x)=ax^3+bx^2+cx+d=0 satisfy the equation a+b+c+d=0. Name a zero of the equation.

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Question 409235: Suppose that the coefficients of the equation P(x)=ax^3+bx^2+cx+d=0 satisfy the equation a+b+c+d=0. Name a zero of the equation.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
I believe I have already solved this:

http://www.algebra.com/algebra/homework/Polynomials-and-rational-expressions/Polynomials-and-rational-expressions.faq.question.408618.html