Ffactor
\frac{\left(x+2\right)^{2}}{4}
Enrhifo
\frac{\left(x+2\right)^{2}}{4}
Graff
Rhannu
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\frac{x^{2}+4x+4}{4}
Ffactora allan \frac{1}{4}.
\left(x+2\right)^{2}
Ystyriwch x^{2}+4x+4. Defnyddiwch y fformiwla sgwâr perffaith, a^{2}+2ab+b^{2}=\left(a+b\right)^{2}, lle a=x a b=2.
\frac{\left(x+2\right)^{2}}{4}
Ailysgrifennwch y mynegiad cyfan wedi'i ffactorio.
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\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}