Answer :
[3-(5-(7+1))^2]-5+3]
[3-(5-8)^2]-5+3]
[3-(-3)^2]-5+3]
[3+9]-5+3]
[12]-5+3]
12[-2]
12+2
14
[3-(5-(7+1))²]-5+3]
[3-(5-8)²]-5+3]
[3-(-3)²]-5+3]
[3-9]-5+3]
(-6)-5+3
(-11)+3
(-8)
[3-(5-8)²]-5+3]
[3-(-3)²]-5+3]
[3-9]-5+3]
(-6)-5+3
(-11)+3
(-8)