Evaluate
\frac{\left(x+8\right)^{2}}{4}
Expand
\frac{x^{2}}{4}+4x+16
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16+4x+\frac{1}{4}x^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(4+\frac{1}{2}x\right)^{2}.
16+4x+\frac{1}{4}x^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(4+\frac{1}{2}x\right)^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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Simultaneous equation
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Differentiation
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Integration
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Limits
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