Equivalent Expressions

SAT Math· difficulty 3/5

Which expression is equivalent to x3+2x2+3x+6x^3 + 2x^2 + 3x + 6?

  • A

    (x2)(x2+3)(x - 2)(x^2 + 3)

  • B

    (x+2)(x23)(x + 2)(x^2 - 3)

  • C

    (x+2)(x2+3)(x + 2)(x^2 + 3)

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  • D

    (x+3)(x2+2)(x + 3)(x^2 + 2)

Explanation

Group: x2(x+2)+3(x+2)=(x+2)(x2+3)x^2(x + 2) + 3(x + 2) = (x+2)(x^2 + 3).

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