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1-2x
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1-2x
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x^{2}-2x+1-x^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-1\right)^{2}.
-2x+1
Combine x^{2} and -x^{2} to get 0.
x^{2}-2x+1-x^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-1\right)^{2}.
-2x+1
Combine x^{2} and -x^{2} to get 0.
Examples
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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