Respuesta :

distributive property
a(b+c)=ab+ac
also
[tex](x^m)(x^n)=x^{m+n}[/tex]
so

[tex]-8x^2(2y-3x)=-8x^2(2y)-8x^2(-3x)[/tex]=
[tex](-8)(x^2)(2)(y)+(-8)(x^2)(-3)(x^1)=-16x^2y+24x^3[/tex]