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help factoring this trinomial

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2x^2-10x+8

  • factoring -

    2x^2-10x+8
    =2(x²-5x+4)
    Find numbers a and b such that
    a*b=4, and a+b=-5
    =2(x+a)(x+b)
    =2(x-4)(x-1)
    i.e. a=-4, b=-1

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