Aromātai
-8\sqrt{5}\approx -17.88854382
Tohaina
Kua tāruatia ki te papatopenga
2\sqrt{5}+2\sqrt{80}-3\sqrt{180}
Tauwehea te 20=2^{2}\times 5. Tuhia anō te pūtake rua o te hua \sqrt{2^{2}\times 5} hei hua o ngā pūtake rua \sqrt{2^{2}}\sqrt{5}. Tuhia te pūtakerua o te 2^{2}.
2\sqrt{5}+2\times 4\sqrt{5}-3\sqrt{180}
Tauwehea te 80=4^{2}\times 5. Tuhia anō te pūtake rua o te hua \sqrt{4^{2}\times 5} hei hua o ngā pūtake rua \sqrt{4^{2}}\sqrt{5}. Tuhia te pūtakerua o te 4^{2}.
2\sqrt{5}+8\sqrt{5}-3\sqrt{180}
Whakareatia te 2 ki te 4, ka 8.
10\sqrt{5}-3\sqrt{180}
Pahekotia te 2\sqrt{5} me 8\sqrt{5}, ka 10\sqrt{5}.
10\sqrt{5}-3\times 6\sqrt{5}
Tauwehea te 180=6^{2}\times 5. Tuhia anō te pūtake rua o te hua \sqrt{6^{2}\times 5} hei hua o ngā pūtake rua \sqrt{6^{2}}\sqrt{5}. Tuhia te pūtakerua o te 6^{2}.
10\sqrt{5}-18\sqrt{5}
Whakareatia te -3 ki te 6, ka -18.
-8\sqrt{5}
Pahekotia te 10\sqrt{5} me -18\sqrt{5}, ka -8\sqrt{5}.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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whārite paerangi
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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
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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}