A uchun yechish
A=9-2x-28x^{2}
x uchun yechish (complex solution)
x=\frac{\sqrt{253-28A}-1}{28}
x=\frac{-\sqrt{253-28A}-1}{28}
x uchun yechish
x=\frac{\sqrt{253-28A}-1}{28}
x=\frac{-\sqrt{253-28A}-1}{28}\text{, }A\leq \frac{253}{28}
Grafik
Baham ko'rish
Klipbordga nusxa olish
A=7x-\left(28x^{2}+9x-9\right)
4x+3 ga 7x-3 ni ko‘paytirish orqali distributiv xususiyatdan foydalaning va ifoda sifatida birlashtiring.
A=7x-28x^{2}-9x+9
28x^{2}+9x-9 teskarisini topish uchun har birining teskarisini toping.
A=-2x-28x^{2}+9
-2x ni olish uchun 7x va -9x ni birlashtirish.
Misollar
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