Whakaoti mō y, x
x=2
y=-8
Graph
Pātaitai
Algebra
\left. \begin{array} { l } { y = x ^ { 3 } - 12 x + 8 } \\ { x = 2 } \end{array} \right.
Tohaina
Kua tāruatia ki te papatopenga
y=2^{3}-12\times 2+8
Whakaarohia te whārite tuatahi. Me kōkuhu ngā uara tāupe mōhiotia ki te whārite.
y=8-12\times 2+8
Tātaihia te 2 mā te pū o 3, kia riro ko 8.
y=8-24+8
Whakareatia te -12 ki te 2, ka -24.
y=-16+8
Tangohia te 24 i te 8, ka -16.
y=-8
Tāpirihia te -16 ki te 8, ka -8.
y=-8 x=2
Kua oti te pūnaha te whakatau.
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