Mathematics
Mathematics, 09.05.2020 00:57, alexprince13

Percy solved the equation x2 + 7x + 12 = 12. His work is shown below. Is Percy correct? Explain.

1. (x + 3)(x + 4) = 12

2. x + 3 = 12 or x + 4 = 12

3. x = 9 or x = 8

answer
Answers: 3

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