Evaluate
7x^{2}+x+3\alpha ^{2}+\frac{19}{2}
Factor
\frac{14x^{2}+2x+6\alpha ^{2}+19}{2}
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3\alpha ^{2}+x+7x^{2}+\frac{19}{2}
Combine -4x and 5x to get x.
\frac{6\alpha ^{2}-8x+14x^{2}+10x+19}{2}
Factor out \frac{1}{2}.
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