Can someone show me how to solve this problem step by step 1

Can someone show me how to solve this problem step by step. 15-4/(15-13)-10/2-8-(-9²)/9(2²)+(8-2)²

Solution

15-4/(15-13)-10/2-8-(-9)^2/9(2)^2 +(8-2)^2

first operating the brackets:

= 15 -4/2 - 5 - 8 + 81/36 + 36

= 15 -2 -5 -8 + 81/36 +36

= 0 + 9/4 + 36

= (9 +4*36)/(4)

= 153/4