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March 25, 2017

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expand and simplifiy each of the following.
2x(5x-7y+3)-8x(2x+3y-1)

  • math - ,

    2x(5x-7y+3)=2x*5x-2x*7y+2x*3=10x^2-14xy+6x

    8x(2x+3y-1)=8x*2x+8x*3y-8x=16x^2-24xy-8x

    2x(5x-7y+3)-8x(2x+3y-1)=10x^2-14xy+6x-(16x^2-24xy-8x)=10x^2-14xy+6x-16x^2+24xy+8x= -6x^2+10xy+14x

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