Evaluate
\frac{x^{2}}{4}-49
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\frac{x^{2}}{4}-49
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\left(\frac{1}{2}\right)^{2}x^{2}-7^{2}
Expand \left(\frac{1}{2}x\right)^{2}.
\frac{1}{4}x^{2}-7^{2}
Calculate \frac{1}{2} to the power of 2 and get \frac{1}{4}.
\frac{1}{4}x^{2}-49
Calculate 7 to the power of 2 and get 49.
\left(\frac{1}{2}\right)^{2}x^{2}-7^{2}
Expand \left(\frac{1}{2}x\right)^{2}.
\frac{1}{4}x^{2}-7^{2}
Calculate \frac{1}{2} to the power of 2 and get \frac{1}{4}.
\frac{1}{4}x^{2}-49
Calculate 7 to the power of 2 and get 49.
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Limits
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