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Whakaroha
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\left(\frac{\left(x-9\right)\left(2x+5\right)}{2x+5}+\frac{-x^{2}-25}{2x+5}\right)\left(2x+5\right)
Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Whakareatia x-9 ki te \frac{2x+5}{2x+5}.
\frac{\left(x-9\right)\left(2x+5\right)-x^{2}-25}{2x+5}\left(2x+5\right)
Tā te mea he rite te tauraro o \frac{\left(x-9\right)\left(2x+5\right)}{2x+5} me \frac{-x^{2}-25}{2x+5}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
\frac{2x^{2}+5x-18x-45-x^{2}-25}{2x+5}\left(2x+5\right)
Mahia ngā whakarea i roto o \left(x-9\right)\left(2x+5\right)-x^{2}-25.
\frac{x^{2}-13x-70}{2x+5}\left(2x+5\right)
Whakakotahitia ngā kupu rite i 2x^{2}+5x-18x-45-x^{2}-25.
x^{2}-13x-70
Me whakakore te 2x+5 me te 2x+5.
\left(\frac{\left(x-9\right)\left(2x+5\right)}{2x+5}+\frac{-x^{2}-25}{2x+5}\right)\left(2x+5\right)
Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Whakareatia x-9 ki te \frac{2x+5}{2x+5}.
\frac{\left(x-9\right)\left(2x+5\right)-x^{2}-25}{2x+5}\left(2x+5\right)
Tā te mea he rite te tauraro o \frac{\left(x-9\right)\left(2x+5\right)}{2x+5} me \frac{-x^{2}-25}{2x+5}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
\frac{2x^{2}+5x-18x-45-x^{2}-25}{2x+5}\left(2x+5\right)
Mahia ngā whakarea i roto o \left(x-9\right)\left(2x+5\right)-x^{2}-25.
\frac{x^{2}-13x-70}{2x+5}\left(2x+5\right)
Whakakotahitia ngā kupu rite i 2x^{2}+5x-18x-45-x^{2}-25.
x^{2}-13x-70
Me whakakore te 2x+5 me te 2x+5.