Question

1,5х(3х^2 -5)(2х^2 +3)

Answer 1

$1,5x(3x^2-5)(2x^2+3)=(4,5x^3-7,5x)(2x^2+3)=9x^5+13,5x^3- \\ -15x^3-22,5x=9x^5-1,5x^3-22,5x$