Solve: x² - 6x + 8 = 0
Ax = 1 or 8
Bx = 2 or 4
Cx = -2 or -4
Dx = 0 or 6
Answer & Solution
Correct answer: B. x = 2 or 4
Factor: x² - 6x + 8 = (x - 2)(x - 4) = 0. So x = 2 or x = 4. Check: 4 - 12 + 8 = 0 ✓; 16 - 24 + 8 = 0 ✓.
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