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Equivalent Expressions

SAT Math· difficulty 3/5

Which is equivalent to 4x2−254x^2 - 25?

  • A

    (2x−25)(2x+1)(2x - 25)(2x + 1)

  • B

    (4x−5)(x+5)(4x - 5)(x + 5)

  • C

    (2x−5)(2x+5)(2x - 5)(2x + 5)

    check_circle
  • D

    (2x−5)2(2x - 5)^2

Explanation

Difference of squares: 4x2−25=(2x)2−52=(2x−5)(2x+5)4x^2 - 25 = (2x)^2 - 5^2 = (2x - 5)(2x + 5).

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