Expand
3x^{2}-6x-1
Evaluate
3\left(x-1\right)^{2}-4
Graph
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3\left(x^{2}-2x+1\right)-4
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-1\right)^{2}.
3x^{2}-6x+3-4
Use the distributive property to multiply 3 by x^{2}-2x+1.
3x^{2}-6x-1
Subtract 4 from 3 to get -1.
3\left(x^{2}-2x+1\right)-4
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-1\right)^{2}.
3x^{2}-6x+3-4
Use the distributive property to multiply 3 by x^{2}-2x+1.
3x^{2}-6x-1
Subtract 4 from 3 to get -1.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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