perkalian (2x+3)(4xkuadrat +5x-6)

=8x^3 + 10x^2 - 12x + 12x^2 + 15x -18
=8x^3+22x^2+3x-18

* tanda “^” artinya pangkat

[tex] {8x}^{3} + {22x}^{2} + 3x - 18[/tex]