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Nonlinear Equations in One Variable and Systems of Equations

SAT Math· difficulty 3/5

Solve x2−x−6=0x^2 - x - 6 = 0.

  • A

    x=1,−6x = 1, -6

  • B

    x=2,−3x = 2, -3

  • C

    x=−1,6x = -1, 6

  • D

    x=−2,3x = -2, 3

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Explanation

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

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