Mathematics, 23.03.2021 19:50, ginger87771

Seth solved a quadratic equation. His work is shown below, with Step 3 missing. What could Seth have written as the result from Step 3? 1/2 (x - 1)^2 + 5 = 23

Step 1. 1/2 (x - 1)^2 = 18
Step 2. (x - 1)^2 = 36
Step 3.
Step 4. x = -5 or x = 7

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Seth solved a quadratic equation. His work is shown below, with Step 3 missing. What could Seth have...