5x(x一3)=6一2x (x十6)2=9 5x(x一3)=6一2x

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5x(x一3)=6一2x (x十6)2=9 5x(x一3)=6一2x
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5x(x一3)=6一2x (x十6)2=9 5x(x一3)=6一2x
5x(x一3)=6一2x
(x十6)2=9 5x(x一3)=6一2x

5x(x一3)=6一2x (x十6)2=9 5x(x一3)=6一2x
(x+6)^2=9,(x+6+3)(x+6-3)=0,x=-9或-3
5x(x-3)=6-2x,5x^2-13x-6=0,(5x+2)(x-3)=0,x=-2/5或3