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(n+4)2+121=0(n+4)2+121=0
We move all terms to the left:
(n+4)2+121-(0(n+4)2+121)=0
We multiply parentheses
2n-(0(n+4)2+121)+8+121=0
We calculate terms in parentheses: -(0(n+4)2+121), so:We add all the numbers together, and all the variables
0(n+4)2+121
We multiply parentheses
2n+8+121
We add all the numbers together, and all the variables
2n+129
Back to the equation:
-(2n+129)
2n-(2n+129)+129=0
We get rid of parentheses
2n-2n-129+129=0
We add all the numbers together, and all the variables
=0
n=0/1
n=0
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