y uchun yechish
y=-\left(2x+1\right)^{2}+7
x uchun yechish (complex solution)
x=\frac{-\sqrt{7-y}-1}{2}
x=\frac{\sqrt{7-y}-1}{2}
x uchun yechish
x=\frac{-\sqrt{7-y}-1}{2}
x=\frac{\sqrt{7-y}-1}{2}\text{, }y\leq 7
Grafik
Baham ko'rish
Klipbordga nusxa olish
y=-\left(4x^{2}+4x+1\right)+7
\left(a+b\right)^{2}=a^{2}+2ab+b^{2} binom teoremasini \left(2x+1\right)^{2} kengaytirilishi uchun ishlating.
y=-4x^{2}-4x-1+7
4x^{2}+4x+1 teskarisini topish uchun har birining teskarisini toping.
y=-4x^{2}-4x+6
6 olish uchun -1 va 7'ni qo'shing.
Misollar
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