(2x-y)(3x-2y)+(y-x)(2x+5y)
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(2x-y)(3x-2y)+(y-x)(2x+5y)(2x-y)(3x-2y)+(y-x)(2x+5y)(2x-y)(3x-2y)+(y-x)(2x+5y)(2x-y)(3x-2y)+(y-x)(2x
(2x-y)(3x-2y)+(y-x)(2x+5y)
(2x-y)(3x-2y)+(y-x)(2x+5y)
(2x-y)(3x-2y)+(y-x)(2x+5y)
(2x-y)(3x-2y)+(y-x)(2x+5y)
=6x²-3xy-4xy+2y²+5y²-2x²+5xy-2xy
=6x²-2x²-7xy+3xy+2y²+5y²
=4x²-4xy+7y²
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[2/3x-2/x+y(x+y/3x-x-y)]/x-y/x
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