Please confirm: {(5x+2)^4/x^2-3x+1)^3}=

Question

20(5x+2)^2(x^2-3x+1)^3 -3x^2(5x+2)^4 (x^2-3x+1)^2/(x^2-3x+1)^6

Answer 1

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.