x uchun yechish
x=\sqrt{22}+2\approx 6,69041576
x=2-\sqrt{22}\approx -2,69041576
Grafik
Viktorina
Polynomial
( x - 2 ) ^ { 2 } = 22
Baham ko'rish
Klipbordga nusxa olish
x-2=\sqrt{22} x-2=-\sqrt{22}
Tenglamaning ikkala tarafining kvadrat ildizini chiqarish.
x-2-\left(-2\right)=\sqrt{22}-\left(-2\right) x-2-\left(-2\right)=-\sqrt{22}-\left(-2\right)
2 ni tenglamaning ikkala tarafiga qo'shish.
x=\sqrt{22}-\left(-2\right) x=-\sqrt{22}-\left(-2\right)
O‘zidan -2 ayirilsa 0 qoladi.
x=\sqrt{22}+2
\sqrt{22} dan -2 ni ayirish.
x=2-\sqrt{22}
-\sqrt{22} dan -2 ni ayirish.
x=\sqrt{22}+2 x=2-\sqrt{22}
Tenglama yechildi.
Misollar
Ikkilik tenglama
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometriya
4 \sin \theta \cos \theta = 2 \sin \theta
Chiziqli tenglama
y = 3x + 4
Arifmetik
699 * 533
Matritsa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simli tenglama
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differensatsiya
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Oʻngga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Chegaralar
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}