Pemaktoran dari π²-10π-24 adalah

π²-10π-24 =
... x ... = -24
... + ... = -10


-12 x 2 = -24
-12 + 2 = -10

(π-12)(π+2)

[tex] \pi^2 - 10\pi - 24 \\ \pi^2 - 12\pi + 2\pi - 24 \\ \pi(\pi - 12) + 2(\pi - 12) \\ (\pi - 12)(\pi + 2) [/tex]