Find the Roots (Zeros) f(x)=x(x-4)(x+9)

Math
Set equal to .
Solve for .
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If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Set the first factor equal to .
Set the next factor equal to and solve.
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Set the next factor equal to .
Add to both sides of the equation.
Set the next factor equal to and solve.
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Set the next factor equal to .
Subtract from both sides of the equation.
The final solution is all the values that make true.
Find the Roots (Zeros) f(x)=x(x-4)(x+9)

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