Whakaoti mō x
x = -\frac{15}{4} = -3\frac{3}{4} = -3.75
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x=-7-8
Tangohia te 8 mai i ngā taha e rua.
4x=-15
Tangohia te 8 i te -7, ka -15.
x=\frac{-15}{4}
Whakawehea ngā taha e rua ki te 4.
x=-\frac{15}{4}
Ka taea te hautanga \frac{-15}{4} te tuhi anō ko -\frac{15}{4} mā te tango i te tohu tōraro.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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