Aromātai
-\left(z-3y\right)\left(3y+4\right)+\left(9y+1\right)^{2}
Whakaroha
90y^{2}-3yz+30y-4z+1
Tohaina
Kua tāruatia ki te papatopenga
81y^{2}+18y+1-\left(3y+4\right)\left(z-3y\right)
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(9y+1\right)^{2}.
81y^{2}+18y+1-\left(3yz-9y^{2}+4z-12y\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 3y+4 ki te z-3y.
81y^{2}+18y+1-3yz+9y^{2}-4z+12y
Hei kimi i te tauaro o 3yz-9y^{2}+4z-12y, kimihia te tauaro o ia taurangi.
90y^{2}+18y+1-3yz-4z+12y
Pahekotia te 81y^{2} me 9y^{2}, ka 90y^{2}.
90y^{2}+30y+1-3yz-4z
Pahekotia te 18y me 12y, ka 30y.
81y^{2}+18y+1-\left(3y+4\right)\left(z-3y\right)
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(9y+1\right)^{2}.
81y^{2}+18y+1-\left(3yz-9y^{2}+4z-12y\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 3y+4 ki te z-3y.
81y^{2}+18y+1-3yz+9y^{2}-4z+12y
Hei kimi i te tauaro o 3yz-9y^{2}+4z-12y, kimihia te tauaro o ia taurangi.
90y^{2}+18y+1-3yz-4z+12y
Pahekotia te 81y^{2} me 9y^{2}, ka 90y^{2}.
90y^{2}+30y+1-3yz-4z
Pahekotia te 18y me 12y, ka 30y.
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}