Enrhifo
60
Ffactor
2^{2}\times 3\times 5
Rhannu
Copïo i clipfwrdd
\left(4\times 2-5\left(-4+8\right)\right)\left(4-9\right)
Adio -3 a 7 i gael 4.
\left(8-5\left(-4+8\right)\right)\left(4-9\right)
Lluosi 4 a 2 i gael 8.
\left(8-5\times 4\right)\left(4-9\right)
Adio -4 a 8 i gael 4.
\left(8-20\right)\left(4-9\right)
Lluosi 5 a 4 i gael 20.
-12\left(4-9\right)
Tynnu 20 o 8 i gael -12.
-12\left(-5\right)
Tynnu 9 o 4 i gael -5.
60
Lluosi -12 a -5 i gael 60.
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}