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Equivalent Expressions

SAT Math· difficulty 3/5

Which expression is equivalent to x2−11x+30x^2 - 11x + 30?

  • A

    (x−5)(x−6)(x - 5)(x - 6)

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  • B

    (x−3)(x−10)(x - 3)(x - 10)

  • C

    (x−2)(x−15)(x - 2)(x - 15)

  • D

    (x+5)(x+6)(x + 5)(x + 6)

Explanation

Two numbers multiplying to 30, summing to −11-11: −5-5 and −6-6. So (x−5)(x−6)(x-5)(x-6).

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