Enrhifo
8
Ffactor
2^{3}
Rhannu
Copïo i clipfwrdd
-8\left(\frac{-18+12}{3}+\frac{\frac{-20}{5}+2}{-2}\right)
Lluosi 6 a 2 i gael 12.
-8\left(\frac{-6}{3}+\frac{\frac{-20}{5}+2}{-2}\right)
Adio -18 a 12 i gael -6.
-8\left(-2+\frac{\frac{-20}{5}+2}{-2}\right)
Rhannu -6 â 3 i gael -2.
-8\left(-2+\frac{-4+2}{-2}\right)
Rhannu -20 â 5 i gael -4.
-8\left(-2+\frac{-2}{-2}\right)
Adio -4 a 2 i gael -2.
-8\left(-2+1\right)
Rhannu -2 â -2 i gael 1.
-8\left(-1\right)
Adio -2 a 1 i gael -1.
8
Lluosi -8 a -1 i gael 8.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometreg
4 \sin \theta \cos \theta = 2 \sin \theta
Hafaliad llinol
y = 3x + 4
Rhifyddeg
699 * 533
Matrics
\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]
Hafaliad ar y pryd
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}