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kolbaska11 [484]
2 years ago
6

ss="latex-formula">
Mathematics
1 answer:
kykrilka [37]2 years ago
6 0
-(x+9)2=64
(-x-9)2= 64
-2x-18= 64
+18. +18
-2x = 82
/-2. /-2
x= -41
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lisabon 2012 [21]

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