Aromātai
19-13y-2x
Whakaroha
19-13y-2x
Pātaitai
Algebra
4(-3x-2y+1)+5(2x-y+3)=
Tohaina
Kua tāruatia ki te papatopenga
-12x-8y+4+5\left(2x-y+3\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te -3x-2y+1.
-12x-8y+4+10x-5y+15
Whakamahia te āhuatanga tohatoha hei whakarea te 5 ki te 2x-y+3.
-2x-8y+4-5y+15
Pahekotia te -12x me 10x, ka -2x.
-2x-13y+4+15
Pahekotia te -8y me -5y, ka -13y.
-2x-13y+19
Tāpirihia te 4 ki te 15, ka 19.
-12x-8y+4+5\left(2x-y+3\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te -3x-2y+1.
-12x-8y+4+10x-5y+15
Whakamahia te āhuatanga tohatoha hei whakarea te 5 ki te 2x-y+3.
-2x-8y+4-5y+15
Pahekotia te -12x me 10x, ka -2x.
-2x-13y+4+15
Pahekotia te -8y me -5y, ka -13y.
-2x-13y+19
Tāpirihia te 4 ki te 15, ka 19.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
whārite paerangi
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}