Aromātai
14y\left(2x-5y\right)
Whakaroha
28xy-70y^{2}
Tohaina
Kua tāruatia ki te papatopenga
\left(4x-10y\right)\left(3x+4y\right)-6\left(2x-5y\right)\left(x-y\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te 2x-5y.
12x^{2}+16xy-30yx-40y^{2}-6\left(2x-5y\right)\left(x-y\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 4x-10y ki ia tau o 3x+4y.
12x^{2}-14xy-40y^{2}-6\left(2x-5y\right)\left(x-y\right)
Pahekotia te 16xy me -30yx, ka -14xy.
12x^{2}-14xy-40y^{2}+\left(-12x+30y\right)\left(x-y\right)
Whakamahia te āhuatanga tohatoha hei whakarea te -6 ki te 2x-5y.
12x^{2}-14xy-40y^{2}-12x^{2}+12xy+30yx-30y^{2}
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o -12x+30y ki ia tau o x-y.
12x^{2}-14xy-40y^{2}-12x^{2}+42xy-30y^{2}
Pahekotia te 12xy me 30yx, ka 42xy.
-14xy-40y^{2}+42xy-30y^{2}
Pahekotia te 12x^{2} me -12x^{2}, ka 0.
28xy-40y^{2}-30y^{2}
Pahekotia te -14xy me 42xy, ka 28xy.
28xy-70y^{2}
Pahekotia te -40y^{2} me -30y^{2}, ka -70y^{2}.
\left(4x-10y\right)\left(3x+4y\right)-6\left(2x-5y\right)\left(x-y\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te 2x-5y.
12x^{2}+16xy-30yx-40y^{2}-6\left(2x-5y\right)\left(x-y\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 4x-10y ki ia tau o 3x+4y.
12x^{2}-14xy-40y^{2}-6\left(2x-5y\right)\left(x-y\right)
Pahekotia te 16xy me -30yx, ka -14xy.
12x^{2}-14xy-40y^{2}+\left(-12x+30y\right)\left(x-y\right)
Whakamahia te āhuatanga tohatoha hei whakarea te -6 ki te 2x-5y.
12x^{2}-14xy-40y^{2}-12x^{2}+12xy+30yx-30y^{2}
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o -12x+30y ki ia tau o x-y.
12x^{2}-14xy-40y^{2}-12x^{2}+42xy-30y^{2}
Pahekotia te 12xy me 30yx, ka 42xy.
-14xy-40y^{2}+42xy-30y^{2}
Pahekotia te 12x^{2} me -12x^{2}, ka 0.
28xy-40y^{2}-30y^{2}
Pahekotia te -14xy me 42xy, ka 28xy.
28xy-70y^{2}
Pahekotia te -40y^{2} me -30y^{2}, ka -70y^{2}.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
Arithmetic
699 * 533
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}