( x − 6 ) 2 = 9 f i rs t s t e p − s q u a re roo t ( x − 6 ) 2 = 9 n e x t s t e p : ∣ x − 6∣ = 3 so l u t i o n : x − 6 = 3 ∨ x − 6 = − 3 x = 3 + 6 ∨ x = − 3 + 6 x = 9 ∨ x = 3
Remember Please Excuse My Dear Aunt Sally Parentheses Exponents Multiplication Division Addition Subtraction
To solve the equation ( x − 6 ) 2 = 9 , the first step is to take the square root of both sides, which leads to ∣ x − 6∣ = 3 . This gives us two cases to solve, resulting in the solutions x = 9 and x = 3 .
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