Aromātai
\frac{x}{4}+\frac{2}{5}
Whakaroha
\frac{x}{4}+\frac{2}{5}
Graph
Tohaina
Kua tāruatia ki te papatopenga
\frac{5x-12}{4\times 5}+1
Tuhia te \frac{\frac{5x-12}{4}}{5} hei hautanga kotahi.
\frac{5x-12}{20}+1
Whakareatia te 4 ki te 5, ka 20.
\frac{5x-12}{20}+\frac{20}{20}
Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Whakareatia 1 ki te \frac{20}{20}.
\frac{5x-12+20}{20}
Tā te mea he rite te tauraro o \frac{5x-12}{20} me \frac{20}{20}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
\frac{5x+8}{20}
Whakakotahitia ngā kupu rite i 5x-12+20.
\frac{5x-12}{4\times 5}+1
Tuhia te \frac{\frac{5x-12}{4}}{5} hei hautanga kotahi.
\frac{5x-12}{20}+1
Whakareatia te 4 ki te 5, ka 20.
\frac{5x-12}{20}+\frac{20}{20}
Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Whakareatia 1 ki te \frac{20}{20}.
\frac{5x-12+20}{20}
Tā te mea he rite te tauraro o \frac{5x-12}{20} me \frac{20}{20}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
\frac{5x+8}{20}
Whakakotahitia ngā kupu rite i 5x-12+20.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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whārite Simultaneous
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