Ffactor
\frac{\left(2a+3\right)^{2}}{4}
Enrhifo
\frac{\left(2a+3\right)^{2}}{4}
Rhannu
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\frac{4a^{2}+12a+9}{4}
Ffactora allan \frac{1}{4}.
\left(2a+3\right)^{2}
Ystyriwch 4a^{2}+12a+9. Defnyddiwch y fformiwla sgwâr perffaith, p^{2}+2pq+q^{2}=\left(p+q\right)^{2}, lle p=2a a q=3.
\frac{\left(2a+3\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}