PROBLEM SOLVING - tempat bertanya PR Kaskuser (SD, SMP, SMA) - Part 3
http://latex.codecogs.com/gif.latex?\\f(2x+3)=3x^2+4x-9&space;\\f(x)=3(\frac{x-3}{2})^{2}+4(\frac{x-3}{2})-9&space;\\f(x)=\frac{3}{4}(x^2-6x+9)+2x-15&space;\\&space;\\f'(x)=\frac{3}{4}(2x-6)+2)&space;\\f...