F (x)=(X^2-3x)*(2x+1)
f(x)= (2x-3)*(2x+1) + (x^2-3x)*2 = 4x^2+2x-6x-3+2x^2-6x=6x^2-10x-3
f'(x)=12x-10
f''(x)=12
F (x)=(X^2-3x)*(2x+1)
f(x)= (2x-3)*(2x+1) + (x^2-3x)*2 = 4x^2+2x-6x-3+2x^2-6x=6x^2-10x-3
f'(x)=12x-10
f''(x)=12