Solve for x
x\neq 3
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x^{2}-x^{2}=0
Variable x cannot be equal to 3 since division by zero is not defined. Multiply both sides of the equation by x-3.
0=0
Combine x^{2} and -x^{2} to get 0.
\text{true}
Compare 0 and 0.
x\in \mathrm{R}
This is true for any x.
x\in \mathrm{R}\setminus 3
Variable x cannot be equal to 3.
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