X^3-y^3+3y^2-3y+1=x^3-(y^3-3y^2+3y-1)=x^3-(y-1)^3=(x-y+1)(x^2+x(y-1)+(y-1)^2)=(x-y+1)(x^2+xy-x+y^2-2y+1)<span>
</span>8x^3+y^3+6y^2+12y+8=(2x)^3+(y+2)^3=(2x+y+2)(4x^2-2x(y+2)+(y+2)^2)=(2x+y+2)(4x^2-2xy-4x+y^2+4y+4)=<span>(2x+y+2)(4x^2-2xy-4x+y^2+4y+4)</span>
Разность синусов...
... = 2*sin(-2x)*cos(3x) = -2*sin(2x)*cos(3x)
<span>4(0,5p−10)−14p+14=2p-40-14p+14=-12p-26</span>