Aromātai
15x-12y-23
Whakaroha
15x-12y-23
Tohaina
Kua tāruatia ki te papatopenga
22x+11xy-3\left(x+4y\right)-\left(4x+2xy+5\right)-9\left(xy+2\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 11x ki te 2+y.
22x+11xy-3x-12y-\left(4x+2xy+5\right)-9\left(xy+2\right)
Whakamahia te āhuatanga tohatoha hei whakarea te -3 ki te x+4y.
19x+11xy-12y-\left(4x+2xy+5\right)-9\left(xy+2\right)
Pahekotia te 22x me -3x, ka 19x.
19x+11xy-12y-4x-2xy-5-9\left(xy+2\right)
Hei kimi i te tauaro o 4x+2xy+5, kimihia te tauaro o ia taurangi.
15x+11xy-12y-2xy-5-9\left(xy+2\right)
Pahekotia te 19x me -4x, ka 15x.
15x+9xy-12y-5-9\left(xy+2\right)
Pahekotia te 11xy me -2xy, ka 9xy.
15x+9xy-12y-5-9xy-18
Whakamahia te āhuatanga tohatoha hei whakarea te -9 ki te xy+2.
15x-12y-5-18
Pahekotia te 9xy me -9xy, ka 0.
15x-12y-23
Tangohia te 18 i te -5, ka -23.
22x+11xy-3\left(x+4y\right)-\left(4x+2xy+5\right)-9\left(xy+2\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 11x ki te 2+y.
22x+11xy-3x-12y-\left(4x+2xy+5\right)-9\left(xy+2\right)
Whakamahia te āhuatanga tohatoha hei whakarea te -3 ki te x+4y.
19x+11xy-12y-\left(4x+2xy+5\right)-9\left(xy+2\right)
Pahekotia te 22x me -3x, ka 19x.
19x+11xy-12y-4x-2xy-5-9\left(xy+2\right)
Hei kimi i te tauaro o 4x+2xy+5, kimihia te tauaro o ia taurangi.
15x+11xy-12y-2xy-5-9\left(xy+2\right)
Pahekotia te 19x me -4x, ka 15x.
15x+9xy-12y-5-9\left(xy+2\right)
Pahekotia te 11xy me -2xy, ka 9xy.
15x+9xy-12y-5-9xy-18
Whakamahia te āhuatanga tohatoha hei whakarea te -9 ki te xy+2.
15x-12y-5-18
Pahekotia te 9xy me -9xy, ka 0.
15x-12y-23
Tangohia te 18 i te -5, ka -23.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
whārite paerangi
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Arithmetic
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Poukapa
\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]
whārite Simultaneous
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Whakarerekētanga
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}