Baholash
2\left(y^{2}-x^{2}\right)
Kengaytirish
2y^{2}-2x^{2}
Viktorina
Algebra
5xshash muammolar:
( 8 x y - x ^ { 2 } + y ^ { 2 } ) - ( x ^ { 2 } - y ^ { 2 } + 8 x y )
Baham ko'rish
Klipbordga nusxa olish
8xy-x^{2}+y^{2}-x^{2}+y^{2}-8xy
x^{2}-y^{2}+8xy teskarisini topish uchun har birining teskarisini toping.
8xy-2x^{2}+y^{2}+y^{2}-8xy
-2x^{2} ni olish uchun -x^{2} va -x^{2} ni birlashtirish.
8xy-2x^{2}+2y^{2}-8xy
2y^{2} ni olish uchun y^{2} va y^{2} ni birlashtirish.
-2x^{2}+2y^{2}
0 ni olish uchun 8xy va -8xy ni birlashtirish.
8xy-x^{2}+y^{2}-x^{2}+y^{2}-8xy
x^{2}-y^{2}+8xy teskarisini topish uchun har birining teskarisini toping.
8xy-2x^{2}+y^{2}+y^{2}-8xy
-2x^{2} ni olish uchun -x^{2} va -x^{2} ni birlashtirish.
8xy-2x^{2}+2y^{2}-8xy
2y^{2} ni olish uchun y^{2} va y^{2} ni birlashtirish.
-2x^{2}+2y^{2}
0 ni olish uchun 8xy va -8xy 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}