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3(x + 4) ^(2) - 162 = 0
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3(x + 4) ^(2) - 162 = 0

User Minako
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3(x+4)^2-162=0\ \ \ \ |+162\\\\3(x+4)^2=162\ \ \ \ |:3\\\\(x+4)^2=54\to x+4=\pm√(54)\\\\x+4=-√(9\cdot6)\ \vee\ x+4=√(9\cdot6)\\\\x+4=-\sqrt9\cdot\sqrt6\ \vee\ x+4=\sqrt9\cdot\sqrt6\\\\x+4=-3\sqrt6\ \vee\ x+4=3\sqrt6\ \ \ \ |-4\\\\x=-3\sqrt6-4\ \vee\ x=3\sqrt6-4

User Salma
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