Solve: x² − 7x + 12 = 0
Ax = 3 or 4CORRECT
Bx = 2 or 6
Cx = 1 or 12
Dx = −3 or −4
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Why the answer is A, and why the others tempt you.
(x − 3)(x − 4) = 0 → x = 3 or x = 4.
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