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9th grade

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(2x-1)(x+2)

  • 9th grade - ,

    (2x-1)(x+2)
    =2x(x+2)-1(x+2)
    =2x^2+4x-x+2
    =2x^2+3x+2

  • 9th grade - ,

    (2x-1)(x+2) =2x squere+3x-2

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