SOLUTION: I need some help please Find all zeros of f(x)=3x^2(x-5)(2x+9)^3(x-4) and their multtiplicatee thank you

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I need some help please Find all zeros of f(x)=3x^2(x-5)(2x+9)^3(x-4) and their multtiplicatee thank you      Log On


   



Question 61892: I need some help please
Find all zeros of f(x)=3x^2(x-5)(2x+9)^3(x-4) and their multtiplicatee
thank you

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = 3x^2(x - 5)(2x + 9)^3(x - 4)
Look at each "segment"
3x^2 = 0
x^2 = 0
x = 0
~~~>
(x - 5) = 0
x = 5
~~~>
(2x + 9)^3 = 0
2x + 9 = 0
2x = -9
x = -4.5
~~~>
(x - 4) = 0
x = 4
~~~>
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