Aromātai
6\sqrt{5}-45\approx -31.583592135
Whakaroha
6 \sqrt{5} - 45 = -31.583592135
Tohaina
Kua tāruatia ki te papatopenga
1-\left(9\left(\sqrt{5}\right)^{2}-6\sqrt{5}+1\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(3\sqrt{5}-1\right)^{2}.
1-\left(9\times 5-6\sqrt{5}+1\right)
Ko te pūrua o \sqrt{5} ko 5.
1-\left(45-6\sqrt{5}+1\right)
Whakareatia te 9 ki te 5, ka 45.
1-\left(46-6\sqrt{5}\right)
Tāpirihia te 45 ki te 1, ka 46.
1-46+6\sqrt{5}
Hei kimi i te tauaro o 46-6\sqrt{5}, kimihia te tauaro o ia taurangi.
-45+6\sqrt{5}
Tangohia te 46 i te 1, ka -45.
1-\left(9\left(\sqrt{5}\right)^{2}-6\sqrt{5}+1\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(3\sqrt{5}-1\right)^{2}.
1-\left(9\times 5-6\sqrt{5}+1\right)
Ko te pūrua o \sqrt{5} ko 5.
1-\left(45-6\sqrt{5}+1\right)
Whakareatia te 9 ki te 5, ka 45.
1-\left(46-6\sqrt{5}\right)
Tāpirihia te 45 ki te 1, ka 46.
1-46+6\sqrt{5}
Hei kimi i te tauaro o 46-6\sqrt{5}, kimihia te tauaro o ia taurangi.
-45+6\sqrt{5}
Tangohia te 46 i te 1, ka -45.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}