Enrhifo
\frac{7x}{30}-3y
Ffactor
\frac{7x-90y}{30}
Rhannu
Copïo i clipfwrdd
0.9x-2.5y-\frac{1}{2}y-\frac{2}{3}x
Cyfuno 0.5x a 0.4x i gael 0.9x.
0.9x-3y-\frac{2}{3}x
Cyfuno -2.5y a -\frac{1}{2}y i gael -3y.
\frac{7}{30}x-3y
Cyfuno 0.9x a -\frac{2}{3}x i gael \frac{7}{30}x.
factor(0.9x-2.5y-\frac{1}{2}y-\frac{2}{3}x)
Cyfuno 0.5x a 0.4x i gael 0.9x.
factor(0.9x-3y-\frac{2}{3}x)
Cyfuno -2.5y a -\frac{1}{2}y i gael -3y.
factor(\frac{7}{30}x-3y)
Cyfuno 0.9x a -\frac{2}{3}x i gael \frac{7}{30}x.
\frac{7x-90y}{30}
Ffactora allan \frac{1}{30}.
Enghreifftiau
Hafaliad cwadratig
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\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]
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Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}