Whakaoti mō x, y, z
z=-3
Tohaina
Kua tāruatia ki te papatopenga
2x+3-4x=0
Whakaarohia te whārite tuatahi. Tangohia te 4x mai i ngā taha e rua.
-2x+3=0
Pahekotia te 2x me -4x, ka -2x.
-2x=-3
Tangohia te 3 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
x=\frac{-3}{-2}
Whakawehea ngā taha e rua ki te -2.
x=\frac{3}{2}
Ka taea te hautanga \frac{-3}{-2} te whakamāmā ki te \frac{3}{2} mā te tango tahi i te tohu tōraro i te taurunga me te tauraro.
x=\frac{3}{2} y=-3 z=-3
Kua oti te pūnaha te whakatau.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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