Solve the equation 2x2 + 2x + 12 = 3x2 – x + 2. A. x = 2, x = 5 B. x = –5, x = –2 C. x = 2, x = –5 D. x = –2, x = 5
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2x^2 + 2x + 12 = 3x^2 - x + 2
Or, x^2 - 3x - 10 = 0
Or, x^2 - 5x + 2x - 10 = 0
Or, x(x - 5) + 2(x - 5) = 0
Or, (x - 5)(x + 2) = 0
Or, x = 5, (-2)
➡️ Hence, option D.
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