So I have this question and I have no idea how to do it so can you tell me what it’s based on so I can look up and try to make sense of it

Question

(2x^-5)^2) (-3x)^-2 = 4 over 9x^12

Answer 1

(2x^-5)^2) (-3x)^-2=

 

4x^-10*(1/9)x^-2=(4/9)x^-10-2=4/(9x¹²).

 

I hope this is clear.