Kyra solved the following quadratic equation. What was the error, if any, that she made? Step 1: 2x2 – 33 = 39 Step 2: 2x2 = 72 Step 3: x2 = 36 Step 4: x = 6

Kyra solved the following quadratic equation. What was the error, if any, that she made?

Step 1: 2x2 – 33 = 39
Step 2: 2x2 = 72
Step 3: x2 = 36
Step 4: x = 6

1 Answer

Kyra solved the following quadratic equation. What was the error, if any, that she made? Step 1: 2x2 – 33 = 39 Step 2: 2x2 = 72 Step 3: x2 = 36 Step 4: x = 6

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