<span>(4x-3)(8x+6)= 32x^2+24x-21x-18=32x^2+3x</span>
<span><span>2y(y^2 -1)(2+y)=2y(2y^2+y^3-2+y)=4y^3+2y^4-4y+2y^2 степень - ^ </span></span>