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8n^3 - 12n^2 +6n+63 se divide prin 2n+3

n^2 si
 n^3 inseamna n la puterea a 2 si a 3


Răspuns :

8n³-12n²+6n+63 =
=8n³-24n²+12n²+42n-36n+63 =
=8n³+12n²-24n²-36n+42n+63 =
=4n²(2n+3)-12n(2n+3)+21(2n+3)=
=(2n+3)(4n²-12n+21)