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2x²+3x²+3.(-1) =5x.x+5x .1
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2x²+3x²+3.(-1) =5x.x+5x .1

User Stas Buzuluk
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\\ \sf\longmapsto 2x^2+3x^2+3(-1)=5x.x+5x.1


\\ \sf\longmapsto 5x^2-3=5x^2+5x


\\ \sf\longmapsto 5x^2-5x^2-3=5x


\\ \sf\longmapsto 5x=-3


\\ \sf\longmapsto x=(-3)/(5)

User Mike Bretz
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