x uchun yechish
x=-\frac{1}{3}\approx -0,333333333
Grafik
Baham ko'rish
Klipbordga nusxa olish
3x-\left(-7x\right)-2=x-2\left(6x+5\right)-2-9x
-7x+2 teskarisini topish uchun har birining teskarisini toping.
3x+7x-2=x-2\left(6x+5\right)-2-9x
-7x ning teskarisi 7x ga teng.
10x-2=x-2\left(6x+5\right)-2-9x
10x ni olish uchun 3x va 7x ni birlashtirish.
10x-2=x-12x-10-2-9x
-2 ga 6x+5 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
10x-2=-11x-10-2-9x
-11x ni olish uchun x va -12x ni birlashtirish.
10x-2=-11x-12-9x
-12 olish uchun -10 dan 2 ni ayirish.
10x-2=-20x-12
-20x ni olish uchun -11x va -9x ni birlashtirish.
10x-2+20x=-12
20x ni ikki tarafga qo’shing.
30x-2=-12
30x ni olish uchun 10x va 20x ni birlashtirish.
30x=-12+2
2 ni ikki tarafga qo’shing.
30x=-10
-10 olish uchun -12 va 2'ni qo'shing.
x=\frac{-10}{30}
Ikki tarafini 30 ga bo‘ling.
x=-\frac{1}{3}
\frac{-10}{30} ulushini 10 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
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}