SOLUTION: What are the zeroes of this polynomial if b=-2: f(x)=x^2+2x+2b+bx?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: What are the zeroes of this polynomial if b=-2: f(x)=x^2+2x+2b+bx?      Log On


   

Question 154309: What are the zeroes of this polynomial if b=-2: f(x)=x^2+2x+2b+bx?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What are the zeroes of this polynomial if b=-2: f(x)=x^2+2x+2b+bx?
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If b = -2 you get:
f(x) = x^2 + 2x -4 -2x
f(x) = x^2 -4
f(x) = (x-2)(x+2)
The zeroes are x = 2 and x = -2
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Cheers,
Stan H.