0
I assume you mean...........
(X - 5)2 = 7
distribute the 2 to both the X and the - 5, dropping parenthesis
2X - 10 = 7
add 10 to each side
2X = 17
divide both sides by 2
X = 17/2
check on original equation
(17/2 - 5)2 = 7
(17/2 - 10/2)2 = 7
(7/2)2 = 7
7 = 7
checks, if I understood you correctly
What else can I help you with?
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