Evaluate
-\frac{x^{4}}{2}+\frac{6x^{3}}{7}+x^{2}
Factor
-\frac{1}{2}\left(x-\frac{6-\sqrt{134}}{7}\right)\left(x-\frac{\sqrt{134}+6}{7}\right)x^{2}
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-\frac{1}{2}x^{4}+\frac{6}{7}x^{3}+\frac{5}{8}x^{2}+5+\frac{3}{8}x^{2}-5
Combine \frac{1}{12}x^{4} and -\frac{7}{12}x^{4} to get -\frac{1}{2}x^{4}.
-\frac{1}{2}x^{4}+\frac{6}{7}x^{3}+x^{2}+5-5
Combine \frac{5}{8}x^{2} and \frac{3}{8}x^{2} to get x^{2}.
-\frac{1}{2}x^{4}+\frac{6}{7}x^{3}+x^{2}
Subtract 5 from 5 to get 0.
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Limits
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