x uchun yechish
x = \frac{116}{21} = 5\frac{11}{21} \approx 5,523809524
Grafik
Baham ko'rish
Klipbordga nusxa olish
521-42x+x^{2}-x^{2}=289
521 olish uchun 421 va 100'ni qo'shing.
521-42x=289
0 ni olish uchun x^{2} va -x^{2} ni birlashtirish.
-42x=289-521
Ikkala tarafdan 521 ni ayirish.
-42x=-232
-232 olish uchun 289 dan 521 ni ayirish.
x=\frac{-232}{-42}
Ikki tarafini -42 ga bo‘ling.
x=\frac{116}{21}
\frac{-232}{-42} ulushini -2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
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