Posted by Laurie on Thursday, July 19, 2012 at 3:22pm.
Please confirm: {(5x+2)^4/x^23x+1)^3}=
20(5x+2)^2(x^23x+1)^3 3x^2(5x+2)^4 (x^23x+1)^2/(x^23x+1)^6

calculus derivatives  insufficient parentheses  MathMate, Thursday, July 19, 2012 at 7:59pm
There are insufficient parentheses in the question and the answer.
Remember that multiplication and division take precedence over addition and subtraction. So it is mandatory to insert parentheses around numerators and denominators.