Evaluate
\left(3-2k-6x\right)^{2}
Expand
36x^{2}+24kx-36x+4k^{2}-12k+9
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36x^{2}+24kx-36x+4k^{2}-12k+9
Square -2k+3-6x.
36x^{2}+24kx-36x+4k^{2}-12k+9
Square -2k+3-6x.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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Limits
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