Enrhifo
\frac{5x^{2}-5x+2}{\left(2-x\right)\left(x+1\right)}
Ehangu
\frac{5x^{2}-5x+2}{\left(2-x\right)\left(x+1\right)}
Graff
Rhannu
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\frac{x^{2}\left(x+1\right)}{\left(x+1\right)\left(-x+2\right)}+\frac{\left(1-x\right)^{2}\left(-x+2\right)}{\left(x+1\right)\left(-x+2\right)}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluosrif lleiaf cyffredin 2-x a x+1 yw \left(x+1\right)\left(-x+2\right). Lluoswch \frac{x^{2}}{2-x} â \frac{x+1}{x+1}. Lluoswch \frac{\left(1-x\right)^{2}}{x+1} â \frac{-x+2}{-x+2}.
\frac{x^{2}\left(x+1\right)+\left(1-x\right)^{2}\left(-x+2\right)}{\left(x+1\right)\left(-x+2\right)}
Gan fod gan \frac{x^{2}\left(x+1\right)}{\left(x+1\right)\left(-x+2\right)} a \frac{\left(1-x\right)^{2}\left(-x+2\right)}{\left(x+1\right)\left(-x+2\right)} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{x^{3}+x^{2}+2-x+2x^{2}-4x-x^{3}+2x^{2}}{\left(x+1\right)\left(-x+2\right)}
Gwnewch y gwaith lluosi yn x^{2}\left(x+1\right)+\left(1-x\right)^{2}\left(-x+2\right).
\frac{5x^{2}+2-5x}{\left(x+1\right)\left(-x+2\right)}
Cyfuno termau tebyg yn x^{3}+x^{2}+2-x+2x^{2}-4x-x^{3}+2x^{2}.
\frac{5x^{2}+2-5x}{-x^{2}+x+2}
Ehangu \left(x+1\right)\left(-x+2\right).
\frac{x^{2}\left(x+1\right)}{\left(x+1\right)\left(-x+2\right)}+\frac{\left(1-x\right)^{2}\left(-x+2\right)}{\left(x+1\right)\left(-x+2\right)}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluosrif lleiaf cyffredin 2-x a x+1 yw \left(x+1\right)\left(-x+2\right). Lluoswch \frac{x^{2}}{2-x} â \frac{x+1}{x+1}. Lluoswch \frac{\left(1-x\right)^{2}}{x+1} â \frac{-x+2}{-x+2}.
\frac{x^{2}\left(x+1\right)+\left(1-x\right)^{2}\left(-x+2\right)}{\left(x+1\right)\left(-x+2\right)}
Gan fod gan \frac{x^{2}\left(x+1\right)}{\left(x+1\right)\left(-x+2\right)} a \frac{\left(1-x\right)^{2}\left(-x+2\right)}{\left(x+1\right)\left(-x+2\right)} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{x^{3}+x^{2}+2-x+2x^{2}-4x-x^{3}+2x^{2}}{\left(x+1\right)\left(-x+2\right)}
Gwnewch y gwaith lluosi yn x^{2}\left(x+1\right)+\left(1-x\right)^{2}\left(-x+2\right).
\frac{5x^{2}+2-5x}{\left(x+1\right)\left(-x+2\right)}
Cyfuno termau tebyg yn x^{3}+x^{2}+2-x+2x^{2}-4x-x^{3}+2x^{2}.
\frac{5x^{2}+2-5x}{-x^{2}+x+2}
Ehangu \left(x+1\right)\left(-x+2\right).
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}