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Nonlinear Equations in One Variable and Systems of Equations

SAT Math· difficulty 3/5

Solve x2−13x+36=0x^2 - 13x + 36 = 0.

  • A

    x=6,6x = 6, 6

  • B

    x=−4,−9x = -4, -9

  • C

    x=3,12x = 3, 12

  • D

    x=4,9x = 4, 9

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Explanation

(x−4)(x−9)=0(x-4)(x-9) = 0, so x=4x = 4 or x=9x = 9.

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