Aromātai
ab+3a-b-4
Whakaroha
ab+3a-b-4
Tohaina
Kua tāruatia ki te papatopenga
a^{2}-a+ba-b-\left(a-2\right)^{2}
Whakamahia te āhuatanga tohatoha hei whakarea te a+b ki te a-1.
a^{2}-a+ba-b-\left(a^{2}-4a+4\right)
Whakamahia te ture huarua \left(p-q\right)^{2}=p^{2}-2pq+q^{2} hei whakaroha \left(a-2\right)^{2}.
a^{2}-a+ba-b-a^{2}+4a-4
Hei kimi i te tauaro o a^{2}-4a+4, kimihia te tauaro o ia taurangi.
-a+ba-b+4a-4
Pahekotia te a^{2} me -a^{2}, ka 0.
3a+ba-b-4
Pahekotia te -a me 4a, ka 3a.
a^{2}-a+ba-b-\left(a-2\right)^{2}
Whakamahia te āhuatanga tohatoha hei whakarea te a+b ki te a-1.
a^{2}-a+ba-b-\left(a^{2}-4a+4\right)
Whakamahia te ture huarua \left(p-q\right)^{2}=p^{2}-2pq+q^{2} hei whakaroha \left(a-2\right)^{2}.
a^{2}-a+ba-b-a^{2}+4a-4
Hei kimi i te tauaro o a^{2}-4a+4, kimihia te tauaro o ia taurangi.
-a+ba-b+4a-4
Pahekotia te a^{2} me -a^{2}, ka 0.
3a+ba-b-4
Pahekotia te -a me 4a, ka 3a.
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}