Aromātai
7m^{2}-4n-6
Whakaroha
7m^{2}-4n-6
Tohaina
Kua tāruatia ki te papatopenga
7m^{2}-8-\left(m^{2}+3n-5+n-\left(-3+m^{2}\right)\right)
Hei kimi i te tauaro o 5-n, kimihia te tauaro o ia taurangi.
7m^{2}-8-\left(m^{2}+4n-5-\left(-3+m^{2}\right)\right)
Pahekotia te 3n me n, ka 4n.
7m^{2}-8-\left(m^{2}+4n-5+3-m^{2}\right)
Hei kimi i te tauaro o -3+m^{2}, kimihia te tauaro o ia taurangi.
7m^{2}-8-\left(m^{2}+4n-2-m^{2}\right)
Tāpirihia te -5 ki te 3, ka -2.
7m^{2}-8-\left(4n-2\right)
Pahekotia te m^{2} me -m^{2}, ka 0.
7m^{2}-8-4n+2
Hei kimi i te tauaro o 4n-2, kimihia te tauaro o ia taurangi.
7m^{2}-6-4n
Tāpirihia te -8 ki te 2, ka -6.
7m^{2}-8-\left(m^{2}+3n-5+n-\left(-3+m^{2}\right)\right)
Hei kimi i te tauaro o 5-n, kimihia te tauaro o ia taurangi.
7m^{2}-8-\left(m^{2}+4n-5-\left(-3+m^{2}\right)\right)
Pahekotia te 3n me n, ka 4n.
7m^{2}-8-\left(m^{2}+4n-5+3-m^{2}\right)
Hei kimi i te tauaro o -3+m^{2}, kimihia te tauaro o ia taurangi.
7m^{2}-8-\left(m^{2}+4n-2-m^{2}\right)
Tāpirihia te -5 ki te 3, ka -2.
7m^{2}-8-\left(4n-2\right)
Pahekotia te m^{2} me -m^{2}, ka 0.
7m^{2}-8-4n+2
Hei kimi i te tauaro o 4n-2, kimihia te tauaro o ia taurangi.
7m^{2}-6-4n
Tāpirihia te -8 ki te 2, ka -6.
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}