Aromātai
-\left(3x-5\right)^{2}+2
Whakaroha
-9x^{2}+30x-23
Graph
Tohaina
Kua tāruatia ki te papatopenga
2-\left(3x-5\right)^{2}
Whakareatia te 3x-5 ki te 3x-5, ka \left(3x-5\right)^{2}.
2-\left(9x^{2}-30x+25\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(3x-5\right)^{2}.
2-9x^{2}-\left(-30x\right)-25
Hei kimi i te tauaro o 9x^{2}-30x+25, kimihia te tauaro o ia taurangi.
2-9x^{2}+30x-25
Ko te tauaro o -30x ko 30x.
-23-9x^{2}+30x
Tangohia te 25 i te 2, ka -23.
2-\left(3x-5\right)^{2}
Whakareatia te 3x-5 ki te 3x-5, ka \left(3x-5\right)^{2}.
2-\left(9x^{2}-30x+25\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(3x-5\right)^{2}.
2-9x^{2}-\left(-30x\right)-25
Hei kimi i te tauaro o 9x^{2}-30x+25, kimihia te tauaro o ia taurangi.
2-9x^{2}+30x-25
Ko te tauaro o -30x ko 30x.
-23-9x^{2}+30x
Tangohia te 25 i te 2, ka -23.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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whārite paerangi
y = 3x + 4
Arithmetic
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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}