Find the Domain y=(8-2x)/(x^2-6x+8)

Math
Set the denominator in equal to to find where the expression is undefined.
Solve for .
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Factor using the AC method.
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Consider the form . Find a pair of integers whose product is and whose sum is . In this case, whose product is and whose sum is .
Write the factored form using these integers.
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 and solve.
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Set the first 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 .
Add to both sides of the equation.
The final solution is all the values that make true.
The domain is all values of that make the expression defined.
Interval Notation:
Set-Builder Notation:
Find the Domain y=(8-2x)/(x^2-6x+8)

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