Evaluate
\frac{x^{2}}{1681}-\frac{1}{2}
Factor
\frac{2x^{2}-1681}{3362}
Graph
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\frac{x^{2}}{1681}-\frac{1}{2}
Calculate 41 to the power of 2 and get 1681.
\frac{2x^{2}}{3362}-\frac{1681}{3362}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 1681 and 2 is 3362. Multiply \frac{x^{2}}{1681} times \frac{2}{2}. Multiply \frac{1}{2} times \frac{1681}{1681}.
\frac{2x^{2}-1681}{3362}
Since \frac{2x^{2}}{3362} and \frac{1681}{3362} have the same denominator, subtract them by subtracting their numerators.
Examples
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Limits
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