Question 835093
 {{{((-3x^2y)/(5x^-2y^4))^2}}}
Combine the exponents of like terms inside the brackets first
Do in a way that will make the exponents positive
 {{{((-3x^((2+2)))/(5y^((4-1))))^2}}} = {{{((-3x^4)/(5y^3))^2}}}
Square each term inside the brackets
{{{(9x^8)/(25y^6)}}}