Evaluate
\left(x-4\right)^{2}
Expand
x^{2}-8x+16
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\left(x-4\right)\left(-4+x\right)
Subtract 5 from 1 to get -4.
\left(x-4\right)^{2}
Multiply x-4 and -4+x to get \left(x-4\right)^{2}.
x^{2}-8x+16
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-4\right)^{2}.
\left(x-4\right)\left(-4+x\right)
Subtract 5 from 1 to get -4.
\left(x-4\right)^{2}
Multiply x-4 and -4+x to get \left(x-4\right)^{2}.
x^{2}-8x+16
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-4\right)^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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