Enrhifo
-10
Ffactor
-10
Rhannu
Copïo i clipfwrdd
4\left(3^{2}-\left(4+8\right)\right)+\frac{4}{2}
Cyfrifo 2 i bŵer 2 a chael 4.
4\left(9-\left(4+8\right)\right)+\frac{4}{2}
Cyfrifo 3 i bŵer 2 a chael 9.
4\left(9-12\right)+\frac{4}{2}
Adio 4 a 8 i gael 12.
4\left(-3\right)+\frac{4}{2}
Tynnu 12 o 9 i gael -3.
-12+\frac{4}{2}
Lluosi 4 a -3 i gael -12.
-12+2
Rhannu 4 â 2 i gael 2.
-10
Adio -12 a 2 i gael -10.
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}