Enrhifo
\left(2x-3y+1\right)\left(2x+3y-5\right)
Ehangu
4x^{2}-8x-9y^{2}+18y-5
Rhannu
Copïo i clipfwrdd
4x^{2}-6xy+2x+6yx-9y^{2}+3y-10x+15y-5
Cyfrifwch y briodoledd ddosrannol drwy luosi pob 2x+3y-5 gan bob 2x-3y+1.
4x^{2}+2x-9y^{2}+3y-10x+15y-5
Cyfuno -6xy a 6yx i gael 0.
4x^{2}-8x-9y^{2}+3y+15y-5
Cyfuno 2x a -10x i gael -8x.
4x^{2}-8x-9y^{2}+18y-5
Cyfuno 3y a 15y i gael 18y.
4x^{2}-6xy+2x+6yx-9y^{2}+3y-10x+15y-5
Cyfrifwch y briodoledd ddosrannol drwy luosi pob 2x+3y-5 gan bob 2x-3y+1.
4x^{2}+2x-9y^{2}+3y-10x+15y-5
Cyfuno -6xy a 6yx i gael 0.
4x^{2}-8x-9y^{2}+3y+15y-5
Cyfuno 2x a -10x i gael -8x.
4x^{2}-8x-9y^{2}+18y-5
Cyfuno 3y a 15y i gael 18y.
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}