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Nonlinear Equations in One Variable and Systems of Equations

SAT Math· difficulty 4/5

Solve 3x2−x−2=03x^2 - x - 2 = 0.

  • A

    x=−1,2/3x = -1, 2/3

  • B

    x=1,−2/3x = 1, -2/3

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  • C

    x=−1,−2/3x = -1, -2/3

  • D

    x=1,2/3x = 1, 2/3

Explanation

(3x+2)(x−1)=0(3x+2)(x-1) = 0, so x=1x = 1 or x=−2/3x = -2/3.

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