x uchun yechish
x=-10
Grafik
Baham ko'rish
Klipbordga nusxa olish
3\times 3\left(x+5\right)-3\left(x+5\right)=2\left(2x+5\right)
Tenglamaning ikkala tarafini 6 ga, 2,3 ning eng kichik karralisiga ko‘paytiring.
9\left(x+5\right)-3\left(x+5\right)=2\left(2x+5\right)
9 hosil qilish uchun 3 va 3 ni ko'paytirish.
9x+45-3\left(x+5\right)=2\left(2x+5\right)
9 ga x+5 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
9x+45-3x-15=2\left(2x+5\right)
-3 ga x+5 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
6x+45-15=2\left(2x+5\right)
6x ni olish uchun 9x va -3x ni birlashtirish.
6x+30=2\left(2x+5\right)
30 olish uchun 45 dan 15 ni ayirish.
6x+30=4x+10
2 ga 2x+5 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
6x+30-4x=10
Ikkala tarafdan 4x ni ayirish.
2x+30=10
2x ni olish uchun 6x va -4x ni birlashtirish.
2x=10-30
Ikkala tarafdan 30 ni ayirish.
2x=-20
-20 olish uchun 10 dan 30 ni ayirish.
x=\frac{-20}{2}
Ikki tarafini 2 ga bo‘ling.
x=-10
-10 ni olish uchun -20 ni 2 ga bo‘ling.
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}