Equivalent Expressions

SAT Math· difficulty 3/5

Which is equivalent to (2x+3)(x1)(2x + 3)(x - 1)?

  • A

    2x2x32x^2 - x - 3

  • B

    2x25x32x^2 - 5x - 3

  • C

    2x2+x32x^2 + x - 3

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  • D

    2x2+x+32x^2 + x + 3

Explanation

(2x+3)(x1)=2x22x+3x3=2x2+x3(2x + 3)(x - 1) = 2x^2 - 2x + 3x - 3 = 2x^2 + x - 3.

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