hasil pengurangan -3(p³-5p+2) dari (2p²+p+11)

-3p³+15p-6 - 2p²+p+11
-3p³-2p²+15p+p-6+11
-3p³-2p²+16p+5

2p^2+p+11 - (-3 (p^3-5p+2)
=2p^2+p+11 +(3 (p^3-5p+2)
=2p^2+p+11+3p^3-15p+6
=2p^2+3p^3+p-15p+11+6
=2p^2+3p^3-14p+16

Maaf kalau salah