x ( 12 + ( - 5 ) ) : ( - 8 - 13 ) \text { ad } a
Enrhifo
-\frac{dxa^{2}}{3}
Ehangu
-\frac{dxa^{2}}{3}
Graff
Rhannu
Copïo i clipfwrdd
\frac{x\left(12-5\right)}{-8-13}a^{2}d
Lluosi a a a i gael a^{2}.
\frac{x\times 7}{-8-13}a^{2}d
Tynnu 5 o 12 i gael 7.
\frac{x\times 7}{-21}a^{2}d
Tynnu 13 o -8 i gael -21.
x\left(-\frac{1}{3}\right)a^{2}d
Rhannu x\times 7 â -21 i gael x\left(-\frac{1}{3}\right).
\frac{x\left(12-5\right)}{-8-13}a^{2}d
Lluosi a a a i gael a^{2}.
\frac{x\times 7}{-8-13}a^{2}d
Tynnu 5 o 12 i gael 7.
\frac{x\times 7}{-21}a^{2}d
Tynnu 13 o -8 i gael -21.
x\left(-\frac{1}{3}\right)a^{2}d
Rhannu x\times 7 â -21 i gael x\left(-\frac{1}{3}\right).
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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}