Enrhifo
\frac{\left(7x-4\right)\left(x+1\right)}{x\left(x+2\right)}
Ehangu
\frac{7x^{2}+3x-4}{x\left(x+2\right)}
Graff
Rhannu
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\frac{5x+1}{x+2}+\frac{\left(x-1\right)\times 2}{x}
Mynegwch \frac{x-1}{x}\times 2 fel ffracsiwn unigol.
\frac{\left(5x+1\right)x}{x\left(x+2\right)}+\frac{\left(x-1\right)\times 2\left(x+2\right)}{x\left(x+2\right)}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluosrif lleiaf cyffredin x+2 a x yw x\left(x+2\right). Lluoswch \frac{5x+1}{x+2} â \frac{x}{x}. Lluoswch \frac{\left(x-1\right)\times 2}{x} â \frac{x+2}{x+2}.
\frac{\left(5x+1\right)x+\left(x-1\right)\times 2\left(x+2\right)}{x\left(x+2\right)}
Gan fod gan \frac{\left(5x+1\right)x}{x\left(x+2\right)} a \frac{\left(x-1\right)\times 2\left(x+2\right)}{x\left(x+2\right)} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{5x^{2}+x+2x^{2}+4x-2x-4}{x\left(x+2\right)}
Gwnewch y gwaith lluosi yn \left(5x+1\right)x+\left(x-1\right)\times 2\left(x+2\right).
\frac{7x^{2}+3x-4}{x\left(x+2\right)}
Cyfuno termau tebyg yn 5x^{2}+x+2x^{2}+4x-2x-4.
\frac{7x^{2}+3x-4}{x^{2}+2x}
Ehangu x\left(x+2\right).
\frac{5x+1}{x+2}+\frac{\left(x-1\right)\times 2}{x}
Mynegwch \frac{x-1}{x}\times 2 fel ffracsiwn unigol.
\frac{\left(5x+1\right)x}{x\left(x+2\right)}+\frac{\left(x-1\right)\times 2\left(x+2\right)}{x\left(x+2\right)}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluosrif lleiaf cyffredin x+2 a x yw x\left(x+2\right). Lluoswch \frac{5x+1}{x+2} â \frac{x}{x}. Lluoswch \frac{\left(x-1\right)\times 2}{x} â \frac{x+2}{x+2}.
\frac{\left(5x+1\right)x+\left(x-1\right)\times 2\left(x+2\right)}{x\left(x+2\right)}
Gan fod gan \frac{\left(5x+1\right)x}{x\left(x+2\right)} a \frac{\left(x-1\right)\times 2\left(x+2\right)}{x\left(x+2\right)} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{5x^{2}+x+2x^{2}+4x-2x-4}{x\left(x+2\right)}
Gwnewch y gwaith lluosi yn \left(5x+1\right)x+\left(x-1\right)\times 2\left(x+2\right).
\frac{7x^{2}+3x-4}{x\left(x+2\right)}
Cyfuno termau tebyg yn 5x^{2}+x+2x^{2}+4x-2x-4.
\frac{7x^{2}+3x-4}{x^{2}+2x}
Ehangu x\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}