Aromātai
\frac{19\left(x+21\right)}{2}
Whakaroha
\frac{19x+399}{2}
Graph
Tohaina
Kua tāruatia ki te papatopenga
\frac{\left(21+x\right)\times 19}{2}
Tuhia te \frac{21+x}{2}\times 19 hei hautanga kotahi.
\frac{399+19x}{2}
Whakamahia te āhuatanga tohatoha hei whakarea te 21+x ki te 19.
\frac{\left(21+x\right)\times 19}{2}
Tuhia te \frac{21+x}{2}\times 19 hei hautanga kotahi.
\frac{399+19x}{2}
Whakamahia te āhuatanga tohatoha hei whakarea te 21+x ki te 19.
Ngā Tauira
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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}