Whakaoti mō b
b=y-c
Whakaoti mō c
c=y-b
Graph
Tohaina
Kua tāruatia ki te papatopenga
-b=c-y
Tangohia te y mai i ngā taha e rua.
\frac{-b}{-1}=\frac{c-y}{-1}
Whakawehea ngā taha e rua ki te -1.
b=\frac{c-y}{-1}
Mā te whakawehe ki te -1 ka wetekia te whakareanga ki te -1.
b=y-c
Whakawehe c-y ki te -1.
c=y-b
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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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]
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