Aromātai
\frac{17x}{21}-\frac{2}{7}
Whakaroha
\frac{17x}{21}-\frac{2}{7}
Graph
Tohaina
Kua tāruatia ki te papatopenga
\frac{7\times 7x}{42}+\frac{3\left(-5x-4\right)}{42}
Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Ko te taurea pātahi iti rawa o 6 me 14 ko 42. Whakareatia \frac{7x}{6} ki te \frac{7}{7}. Whakareatia \frac{-5x-4}{14} ki te \frac{3}{3}.
\frac{7\times 7x+3\left(-5x-4\right)}{42}
Tā te mea he rite te tauraro o \frac{7\times 7x}{42} me \frac{3\left(-5x-4\right)}{42}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
\frac{49x-15x-12}{42}
Mahia ngā whakarea i roto o 7\times 7x+3\left(-5x-4\right).
\frac{34x-12}{42}
Whakakotahitia ngā kupu rite i 49x-15x-12.
\frac{7\times 7x}{42}+\frac{3\left(-5x-4\right)}{42}
Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Ko te taurea pātahi iti rawa o 6 me 14 ko 42. Whakareatia \frac{7x}{6} ki te \frac{7}{7}. Whakareatia \frac{-5x-4}{14} ki te \frac{3}{3}.
\frac{7\times 7x+3\left(-5x-4\right)}{42}
Tā te mea he rite te tauraro o \frac{7\times 7x}{42} me \frac{3\left(-5x-4\right)}{42}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
\frac{49x-15x-12}{42}
Mahia ngā whakarea i roto o 7\times 7x+3\left(-5x-4\right).
\frac{34x-12}{42}
Whakakotahitia ngā kupu rite i 49x-15x-12.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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Ngā Tepe
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