Solve for w
w=4
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28-6w+w^{2}=4+w^{2}
Add 10 and 18 to get 28.
28-6w+w^{2}-w^{2}=4
Subtract w^{2} from both sides.
28-6w=4
Combine w^{2} and -w^{2} to get 0.
-6w=4-28
Subtract 28 from both sides.
-6w=-24
Subtract 28 from 4 to get -24.
w=\frac{-24}{-6}
Divide both sides by -6.
w=4
Divide -24 by -6 to get 4.
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