SOLUTION: Please help me with this question: Find all real zeros of the polynomial function: f(x)=-6x^4+54x^2

SOLUTION: Please help me with this question: Find all real zeros of the polynomial function: f(x)=-6x^4+54x^2

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Question 649719: Please help me with this question: Find all real zeros of the polynomial function: f(x)=-6x^4+54x^2
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Find all real zeros of the polynomial function:
f(x)=-6x^4+54x^2
set f(x)=0
-6x^4+54x^2=0
6x^4-54x^2=0
x^2(6x^2-54)=0
x^2=0
x=0
or
6x^2-54=0
6x^2=54
x^2=54/6=0
x=�√9=�3
zeros are: 0, 0, -3, 3
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