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x^{2}-y^{2}
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x^{2}-y^{2}
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x^{2}-xy+3x+yx-y^{2}+3y+3x-3y+9-3\left(2x+3\right)
Apply the distributive property by multiplying each term of x+y+3 by each term of x-y+3.
x^{2}+3x-y^{2}+3y+3x-3y+9-3\left(2x+3\right)
Combine -xy and yx to get 0.
x^{2}+6x-y^{2}+3y-3y+9-3\left(2x+3\right)
Combine 3x and 3x to get 6x.
x^{2}+6x-y^{2}+9-3\left(2x+3\right)
Combine 3y and -3y to get 0.
x^{2}+6x-y^{2}+9-6x-9
Use the distributive property to multiply -3 by 2x+3.
x^{2}-y^{2}+9-9
Combine 6x and -6x to get 0.
x^{2}-y^{2}
Subtract 9 from 9 to get 0.
x^{2}-xy+3x+yx-y^{2}+3y+3x-3y+9-3\left(2x+3\right)
Apply the distributive property by multiplying each term of x+y+3 by each term of x-y+3.
x^{2}+3x-y^{2}+3y+3x-3y+9-3\left(2x+3\right)
Combine -xy and yx to get 0.
x^{2}+6x-y^{2}+3y-3y+9-3\left(2x+3\right)
Combine 3x and 3x to get 6x.
x^{2}+6x-y^{2}+9-3\left(2x+3\right)
Combine 3y and -3y to get 0.
x^{2}+6x-y^{2}+9-6x-9
Use the distributive property to multiply -3 by 2x+3.
x^{2}-y^{2}+9-9
Combine 6x and -6x to get 0.
x^{2}-y^{2}
Subtract 9 from 9 to get 0.
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Simultaneous equation
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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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