Enrhifo
-28
Ffactor
-28
Rhannu
Copïo i clipfwrdd
-1+4-9-13-1+4-5-7
Tynnu 8 o 7 i gael -1.
3-9-13-1+4-5-7
Adio -1 a 4 i gael 3.
-6-13-1+4-5-7
Tynnu 9 o 3 i gael -6.
-19-1+4-5-7
Tynnu 13 o -6 i gael -19.
-20+4-5-7
Tynnu 1 o -19 i gael -20.
-16-5-7
Adio -20 a 4 i gael -16.
-21-7
Tynnu 5 o -16 i gael -21.
-28
Tynnu 7 o -21 i gael -28.
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}