Aromātai
x^{2}-\frac{16}{49}
Whakaroha
x^{2}-\frac{16}{49}
Graph
Tohaina
Kua tāruatia ki te papatopenga
x^{2}-\left(\frac{4}{7}\right)^{2}
Ka taea te whakareanga te panoni ki te rerekētanga o ngā pūrua mā te ture: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.
x^{2}-\frac{16}{49}
Tātaihia te \frac{4}{7} mā te pū o 2, kia riro ko \frac{16}{49}.
x^{2}-\left(\frac{4}{7}\right)^{2}
Ka taea te whakareanga te panoni ki te rerekētanga o ngā pūrua mā te ture: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.
x^{2}-\frac{16}{49}
Tātaihia te \frac{4}{7} mā te pū o 2, kia riro ko \frac{16}{49}.
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