Use the quotient rule to find the derivative of f(x)/g(x) where f(x)=4x2+5x2 and g(x)=3x7.

Problem: 

Use the quotient rule to find the derivative of f(x)/g(x) where f(x)=4x2+5x2 and g(x)=3x7.

Answer: 

ddx(fg)=(3x7)(8x+5)(4x2+5x2)(3)(3x7)2