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Mathematics 15 Online
OpenStudy (anonymous):

Which of the following polynomials can be expressed as a perfect square of a binomial? A. x^2-5x+4 B. 2x^2-6x+4 C. 4x^2+6x+9 D. 4x^2+12x+9 Can you please help me and explain it. I have a big test tomorrow and I need to know the answer.

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