Whakaoti mō x, y, z, a
a=-2
Tohaina
Kua tāruatia ki te papatopenga
x+1+1=0
Whakaarohia te whārite tuatahi. Tē taea kia ōrite te tāupe x ki -1 nā te kore tautuhi i te whakawehenga mā te kore. Me whakarea ngā taha e rua o te whārite ki te \left(x+1\right)^{2}, arā, te tauraro pātahi he tino iti rawa te kitea o x+1,x^{2}+2x+1.
x+2=0
Tāpirihia te 1 ki te 1, ka 2.
x=-2
Tangohia te 2 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
y=-2
Whakaarohia te whārite tuarua. Me kōkuhu ngā uara tāupe mōhiotia ki te whārite.
z=-2
Whakaarohia te whārite tuatoru. Me kōkuhu ngā uara tāupe mōhiotia ki te whārite.
a=-2
Whakaarohia te whārite tuawhā. Me kōkuhu ngā uara tāupe mōhiotia ki te whārite.
x=-2 y=-2 z=-2 a=-2
Kua oti te pūnaha te whakatau.
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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