Enrhifo
\frac{4\left(3a^{2}-4a-8\right)}{\left(7a+8\right)\left(a^{2}-9\right)}
Ehangu
-\frac{4\left(3a^{2}-4a-8\right)}{\left(7a+8\right)\left(9-a^{2}\right)}
Rhannu
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\frac{\frac{8-5a}{2+7a+6}}{\frac{2a+10}{a+1}-a-1}+\frac{1}{a+3}
Adio 2 a 6 i gael 8.
\frac{\frac{8-5a}{8+7a}}{\frac{2a+10}{a+1}-a-1}+\frac{1}{a+3}
Adio 2 a 6 i gael 8.
\frac{\frac{8-5a}{8+7a}}{\frac{2a+10}{a+1}+\frac{\left(-a-1\right)\left(a+1\right)}{a+1}}+\frac{1}{a+3}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluoswch -a-1 â \frac{a+1}{a+1}.
\frac{\frac{8-5a}{8+7a}}{\frac{2a+10+\left(-a-1\right)\left(a+1\right)}{a+1}}+\frac{1}{a+3}
Gan fod gan \frac{2a+10}{a+1} a \frac{\left(-a-1\right)\left(a+1\right)}{a+1} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{\frac{8-5a}{8+7a}}{\frac{2a+10-a^{2}-a-a-1}{a+1}}+\frac{1}{a+3}
Gwnewch y gwaith lluosi yn 2a+10+\left(-a-1\right)\left(a+1\right).
\frac{\frac{8-5a}{8+7a}}{\frac{9-a^{2}}{a+1}}+\frac{1}{a+3}
Cyfuno termau tebyg yn 2a+10-a^{2}-a-a-1.
\frac{\left(8-5a\right)\left(a+1\right)}{\left(8+7a\right)\left(9-a^{2}\right)}+\frac{1}{a+3}
Rhannwch \frac{8-5a}{8+7a} â \frac{9-a^{2}}{a+1} drwy luosi \frac{8-5a}{8+7a} â chilydd \frac{9-a^{2}}{a+1}.
\frac{\left(8-5a\right)\left(a+1\right)}{\left(a-3\right)\left(-a-3\right)\left(7a+8\right)}+\frac{1}{a+3}
Ffactora \left(8+7a\right)\left(9-a^{2}\right).
\frac{-\left(8-5a\right)\left(a+1\right)}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)}+\frac{\left(a-3\right)\left(7a+8\right)}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluosrif lleiaf cyffredin \left(a-3\right)\left(-a-3\right)\left(7a+8\right) a a+3 yw \left(a-3\right)\left(a+3\right)\left(7a+8\right). Lluoswch \frac{\left(8-5a\right)\left(a+1\right)}{\left(a-3\right)\left(-a-3\right)\left(7a+8\right)} â \frac{-1}{-1}. Lluoswch \frac{1}{a+3} â \frac{\left(a-3\right)\left(7a+8\right)}{\left(a-3\right)\left(7a+8\right)}.
\frac{-\left(8-5a\right)\left(a+1\right)+\left(a-3\right)\left(7a+8\right)}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)}
Gan fod gan \frac{-\left(8-5a\right)\left(a+1\right)}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)} a \frac{\left(a-3\right)\left(7a+8\right)}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{-8a-8+5a^{2}+5a+7a^{2}+8a-21a-24}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)}
Gwnewch y gwaith lluosi yn -\left(8-5a\right)\left(a+1\right)+\left(a-3\right)\left(7a+8\right).
\frac{-16a-32+12a^{2}}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)}
Cyfuno termau tebyg yn -8a-8+5a^{2}+5a+7a^{2}+8a-21a-24.
\frac{-16a-32+12a^{2}}{7a^{3}+8a^{2}-63a-72}
Ehangu \left(a-3\right)\left(a+3\right)\left(7a+8\right).
\frac{\frac{8-5a}{2+7a+6}}{\frac{2a+10}{a+1}-a-1}+\frac{1}{a+3}
Adio 2 a 6 i gael 8.
\frac{\frac{8-5a}{8+7a}}{\frac{2a+10}{a+1}-a-1}+\frac{1}{a+3}
Adio 2 a 6 i gael 8.
\frac{\frac{8-5a}{8+7a}}{\frac{2a+10}{a+1}+\frac{\left(-a-1\right)\left(a+1\right)}{a+1}}+\frac{1}{a+3}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluoswch -a-1 â \frac{a+1}{a+1}.
\frac{\frac{8-5a}{8+7a}}{\frac{2a+10+\left(-a-1\right)\left(a+1\right)}{a+1}}+\frac{1}{a+3}
Gan fod gan \frac{2a+10}{a+1} a \frac{\left(-a-1\right)\left(a+1\right)}{a+1} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{\frac{8-5a}{8+7a}}{\frac{2a+10-a^{2}-a-a-1}{a+1}}+\frac{1}{a+3}
Gwnewch y gwaith lluosi yn 2a+10+\left(-a-1\right)\left(a+1\right).
\frac{\frac{8-5a}{8+7a}}{\frac{9-a^{2}}{a+1}}+\frac{1}{a+3}
Cyfuno termau tebyg yn 2a+10-a^{2}-a-a-1.
\frac{\left(8-5a\right)\left(a+1\right)}{\left(8+7a\right)\left(9-a^{2}\right)}+\frac{1}{a+3}
Rhannwch \frac{8-5a}{8+7a} â \frac{9-a^{2}}{a+1} drwy luosi \frac{8-5a}{8+7a} â chilydd \frac{9-a^{2}}{a+1}.
\frac{\left(8-5a\right)\left(a+1\right)}{\left(a-3\right)\left(-a-3\right)\left(7a+8\right)}+\frac{1}{a+3}
Ffactora \left(8+7a\right)\left(9-a^{2}\right).
\frac{-\left(8-5a\right)\left(a+1\right)}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)}+\frac{\left(a-3\right)\left(7a+8\right)}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluosrif lleiaf cyffredin \left(a-3\right)\left(-a-3\right)\left(7a+8\right) a a+3 yw \left(a-3\right)\left(a+3\right)\left(7a+8\right). Lluoswch \frac{\left(8-5a\right)\left(a+1\right)}{\left(a-3\right)\left(-a-3\right)\left(7a+8\right)} â \frac{-1}{-1}. Lluoswch \frac{1}{a+3} â \frac{\left(a-3\right)\left(7a+8\right)}{\left(a-3\right)\left(7a+8\right)}.
\frac{-\left(8-5a\right)\left(a+1\right)+\left(a-3\right)\left(7a+8\right)}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)}
Gan fod gan \frac{-\left(8-5a\right)\left(a+1\right)}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)} a \frac{\left(a-3\right)\left(7a+8\right)}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{-8a-8+5a^{2}+5a+7a^{2}+8a-21a-24}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)}
Gwnewch y gwaith lluosi yn -\left(8-5a\right)\left(a+1\right)+\left(a-3\right)\left(7a+8\right).
\frac{-16a-32+12a^{2}}{\left(a-3\right)\left(a+3\right)\left(7a+8\right)}
Cyfuno termau tebyg yn -8a-8+5a^{2}+5a+7a^{2}+8a-21a-24.
\frac{-16a-32+12a^{2}}{7a^{3}+8a^{2}-63a-72}
Ehangu \left(a-3\right)\left(a+3\right)\left(7a+8\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}