Expand
9x^{2}-24xy-9x+16y^{2}+12y+2
Evaluate
\left(3x-4y-2\right)\left(3x-4y-1\right)
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9x^{2}-12xy-3x-12xy+16y^{2}+4y-6x+8y+2
Apply the distributive property by multiplying each term of 3x-4y-2 by each term of 3x-4y-1.
9x^{2}-24xy-3x+16y^{2}+4y-6x+8y+2
Combine -12xy and -12xy to get -24xy.
9x^{2}-24xy-9x+16y^{2}+4y+8y+2
Combine -3x and -6x to get -9x.
9x^{2}-24xy-9x+16y^{2}+12y+2
Combine 4y and 8y to get 12y.
9x^{2}-12xy-3x-12xy+16y^{2}+4y-6x+8y+2
Apply the distributive property by multiplying each term of 3x-4y-2 by each term of 3x-4y-1.
9x^{2}-24xy-3x+16y^{2}+4y-6x+8y+2
Combine -12xy and -12xy to get -24xy.
9x^{2}-24xy-9x+16y^{2}+4y+8y+2
Combine -3x and -6x to get -9x.
9x^{2}-24xy-9x+16y^{2}+12y+2
Combine 4y and 8y to get 12y.
Examples
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y = 3x + 4
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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