SOLUTION: I need help in this equation I do it but, the answer doesn't match with my friends this is the equation: 3{6+¯[9+2(1+3)²+¯20]} 3{6+¯[11(4)²+¯20]} 3{6+¯[11(16)+¯20]} 3{6+¯(176

Algebra ->  Equations -> SOLUTION: I need help in this equation I do it but, the answer doesn't match with my friends this is the equation: 3{6+¯[9+2(1+3)²+¯20]} 3{6+¯[11(4)²+¯20]} 3{6+¯[11(16)+¯20]} 3{6+¯(176      Log On


   



Question 337136: I need help in this equation I do it but, the answer doesn't match with my friends this is the equation:
3{6+¯[9+2(1+3)²+¯20]}
3{6+¯[11(4)²+¯20]}
3{6+¯[11(16)+¯20]}
3{6+¯(176)+¯20]}
3{1,056+¯20]}
3{1,036}
=3,108

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
3{6+¯[9+2(1+3)²+¯20]}
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What is the symbol after the + ??