Evaluate
\frac{\left(5x-1\right)^{2}}{25}
Expand
x^{2}-\frac{2x}{5}+\frac{1}{25}
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x^{2}-\frac{2}{5}x+\frac{1}{25}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-\frac{1}{5}\right)^{2}.
x^{2}-\frac{2}{5}x+\frac{1}{25}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-\frac{1}{5}\right)^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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