\left. \begin{array} { l } { ( 231 ) } \\ { ( 3 x - 2 y ) ^ { 2 } - ( x - 3 y ) ^ { 2 } - ( x - 4 y ) \cdot ( 4 y + x ) } \end{array} \right.
Least Common Multiple
1617x^{2}-1386xy+2541y^{2}
Evaluate
231,\ 7x^{2}-6xy+11y^{2}
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231=3\times 7\times 11
Factor the expressions that are not already factored.
231\left(7x^{2}-6xy+11y^{2}\right)
Identify all the factors and their highest power in all expressions. Multiply the highest powers of these factors to get the least common multiple.
1617x^{2}-1386xy+2541y^{2}
Expand the expression.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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