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Equivalent Expressions

SAT Math· difficulty 4/5

Which expression is equivalent to x2−4x−2\dfrac{x^2 - 4}{x - 2} for x≠2x \ne 2?

  • A

    x−2x - 2

  • B

    1x+2\dfrac{1}{x + 2}

  • C

    x+2x + 2

    check_circle
  • D

    x2+4x^2 + 4

Explanation

(x−2)(x+2)x−2=x+2\dfrac{(x-2)(x+2)}{x-2} = x + 2.

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