Aromātai
\left(2x+1\right)^{3}-4
Whakaroha
8x^{3}+12x^{2}+6x-3
Graph
Tohaina
Kua tāruatia ki te papatopenga
8x^{3}+12x^{2}+6x+1-4
Whakamahia te ture huarua \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} hei whakaroha \left(2x+1\right)^{3}.
8x^{3}+12x^{2}+6x-3
Tangohia te 4 i te 1, ka -3.
8x^{3}+12x^{2}+6x+1-4
Whakamahia te ture huarua \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} hei whakaroha \left(2x+1\right)^{3}.
8x^{3}+12x^{2}+6x-3
Tangohia te 4 i te 1, ka -3.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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whārite paerangi
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\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
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Whakaurunga
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}