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x^{2}-6x+21
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x^{2}-6x+21
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x^{2}-8x+16+2x+5
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-4\right)^{2}.
x^{2}-6x+16+5
Combine -8x and 2x to get -6x.
x^{2}-6x+21
Add 16 and 5 to get 21.
x^{2}-8x+16+2x+5
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-4\right)^{2}.
x^{2}-6x+16+5
Combine -8x and 2x to get -6x.
x^{2}-6x+21
Add 16 and 5 to get 21.
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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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