Finite Math Examples

Find the Roots (Zeros) f(x)=((x-1)(x+1))/x
Step 1
Set equal to .
Step 2
Solve for .
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Step 2.1
Set the numerator equal to zero.
Step 2.2
Solve the equation for .
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Step 2.2.1
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Step 2.2.2
Set equal to and solve for .
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Step 2.2.2.1
Set equal to .
Step 2.2.2.2
Add to both sides of the equation.
Step 2.2.3
Set equal to and solve for .
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Step 2.2.3.1
Set equal to .
Step 2.2.3.2
Subtract from both sides of the equation.
Step 2.2.4
The final solution is all the values that make true.
Step 3