Baholash
-2x-7
Kengaytirish
-2x-7
Grafik
Baham ko'rish
Klipbordga nusxa olish
2\left(\frac{x}{2}-\frac{2\times 2}{2}\right)-3\left(x+1\right)
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 2 ni \frac{2}{2} marotabaga ko'paytirish.
2\times \frac{x-2\times 2}{2}-3\left(x+1\right)
\frac{x}{2} va \frac{2\times 2}{2} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
2\times \frac{x-4}{2}-3\left(x+1\right)
x-2\times 2 ichidagi ko‘paytirishlarni bajaring.
x-4-3\left(x+1\right)
2 va 2 ni qisqartiring.
x-4-3x-3
-3 ga x+1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
-2x-4-3
-2x ni olish uchun x va -3x ni birlashtirish.
-2x-7
-7 olish uchun -4 dan 3 ni ayirish.
2\left(\frac{x}{2}-\frac{2\times 2}{2}\right)-3\left(x+1\right)
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 2 ni \frac{2}{2} marotabaga ko'paytirish.
2\times \frac{x-2\times 2}{2}-3\left(x+1\right)
\frac{x}{2} va \frac{2\times 2}{2} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
2\times \frac{x-4}{2}-3\left(x+1\right)
x-2\times 2 ichidagi ko‘paytirishlarni bajaring.
x-4-3\left(x+1\right)
2 va 2 ni qisqartiring.
x-4-3x-3
-3 ga x+1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
-2x-4-3
-2x ni olish uchun x va -3x ni birlashtirish.
-2x-7
-7 olish uchun -4 dan 3 ni ayirish.
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}