Enrhifo
42s^{2}-26r^{2}
Ffactor
2\left(21s^{2}-13r^{2}\right)
Rhannu
Copïo i clipfwrdd
18s^{2}-14r^{2}+0rs-12r^{2}+24s^{2}
Lluosi 0 a 5 i gael 0.
18s^{2}-14r^{2}+0-12r^{2}+24s^{2}
Mae lluosi unrhyw beth â sero yn rhoi sero.
18s^{2}-26r^{2}+0+24s^{2}
Cyfuno -14r^{2} a -12r^{2} i gael -26r^{2}.
42s^{2}-26r^{2}+0
Cyfuno 18s^{2} a 24s^{2} i gael 42s^{2}.
42s^{2}-26r^{2}
Mae adio unrhyw beth at sero yn cyrraedd ei swm ei hun.
2\left(9s^{2}-7r^{2}+0-6r^{2}+12s^{2}\right)
Ffactora allan 2.
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}