What is the solution set for (2x - 7)^2 = 25?
(2x – 7)2 = 25
sqrt both sides +(2x – 7) = +5
four possibilities +(2x – 7) = +5 —> x = +6
+(2x – 7) = –5 —> x = +1
–(2x – 7) = +5 —> x = –6
–(2x – 7) = –5 —> x = –1
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