Evaluate
7x^{2}-9x-7
Expand
7x^{2}-9x-7
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\frac{3\times 7\left(x-\left(-\frac{1}{14}\sqrt{277}+\frac{9}{14}\right)\right)\left(x-\left(\frac{1}{14}\sqrt{277}+\frac{9}{14}\right)\right)x^{2}}{3x^{2}}
Factor the expressions that are not already factored.
7\left(x-\left(-\frac{1}{14}\sqrt{277}+\frac{9}{14}\right)\right)\left(x-\left(\frac{1}{14}\sqrt{277}+\frac{9}{14}\right)\right)
Cancel out 3x^{2} in both numerator and denominator.
7x^{2}-9x-7
Expand the expression.
\frac{3\times 7\left(x-\left(-\frac{1}{14}\sqrt{277}+\frac{9}{14}\right)\right)\left(x-\left(\frac{1}{14}\sqrt{277}+\frac{9}{14}\right)\right)x^{2}}{3x^{2}}
Factor the expressions that are not already factored.
7\left(x-\left(-\frac{1}{14}\sqrt{277}+\frac{9}{14}\right)\right)\left(x-\left(\frac{1}{14}\sqrt{277}+\frac{9}{14}\right)\right)
Cancel out 3x^{2} in both numerator and denominator.
7x^{2}-9x-7
Expand the expression.
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