Solve for x
x=-2
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x^{2}-2x-x^{2}=4
Use the distributive property to multiply x by x-2.
-2x=4
Combine x^{2} and -x^{2} to get 0.
x=\frac{4}{-2}
Divide both sides by -2.
x=-2
Divide 4 by -2 to get -2.
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