Baholash
7x^{2}-4x+3y^{2}
Kengaytirish
7x^{2}-4x+3y^{2}
Viktorina
Algebra
5xshash muammolar:
(12 { x }^{ 2 } -11 { y }^{ 2 } -13x)-(5 { x }^{ 2 } -14 { y }^{ 2 } -9x)
Baham ko'rish
Klipbordga nusxa olish
12x^{2}-11y^{2}-13x-5x^{2}+14y^{2}+9x
5x^{2}-14y^{2}-9x teskarisini topish uchun har birining teskarisini toping.
7x^{2}-11y^{2}-13x+14y^{2}+9x
7x^{2} ni olish uchun 12x^{2} va -5x^{2} ni birlashtirish.
7x^{2}+3y^{2}-13x+9x
3y^{2} ni olish uchun -11y^{2} va 14y^{2} ni birlashtirish.
7x^{2}+3y^{2}-4x
-4x ni olish uchun -13x va 9x ni birlashtirish.
12x^{2}-11y^{2}-13x-5x^{2}+14y^{2}+9x
5x^{2}-14y^{2}-9x teskarisini topish uchun har birining teskarisini toping.
7x^{2}-11y^{2}-13x+14y^{2}+9x
7x^{2} ni olish uchun 12x^{2} va -5x^{2} ni birlashtirish.
7x^{2}+3y^{2}-13x+9x
3y^{2} ni olish uchun -11y^{2} va 14y^{2} ni birlashtirish.
7x^{2}+3y^{2}-4x
-4x ni olish uchun -13x va 9x ni birlashtirish.
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}