Question 7 The following problem's solution has a mistake. a. On what row does the mistake occur? Justify your answer. Select the "Insert" drop-down option in the menu below and use "V Equation" to type your answer when you need to incorporate symbols, equations, or other math expressions. Problem: Convert the following equation to standard form: 5x² – 12y + 30x + 144y – 447 = 0 Solution: Row 1: 5x2 + 30x – 12y² + 144y = 447 Row 2: 5 (x² + 6x) – 12 (y² – 12y) = 447 Row 3: 5 (x² + 6x + 9) – 12 (y² – 12y + 36) = 447 + 9 + 36 Row 4: 5(x + 3)² – 12(y – 6)² = 492 5(x+3)² 12(у-6) Row 5: 492 492 492 Row 6: (x+3)² (y-6)² 1 492 41

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