¡Ô(5x^2-6x+1)+ ¡Ô(5x^2+9x-2)=5x-1
¡Ô(5x^2-6x+1)+¡Ô(5x^2+9x-2)=5x-1==>¡Ô[(5x-1)(x-1)]+¡Ô[(5x-1)(x+2)]=5x-1¥O5x-1=y¡Ô[y(x-1)]+¡Ô[y(x+2)]=y==>y(x-1)+2¡Ô[y^2(x-1)(x+2)]+¡Ô(x-2)=y^2yx-y+2y¡Ô(x-1)(x+2)]+¡Ô(x-2=y^2)==>x-1+2¡Ô[(x-1)(x+2)]+x+2=yy¤w5x-1±a¦^¥h2x+1+2¡Ô[(x-1)(x+2)]=5x-12¡Ô[(x-1)(x+2)]=3x-2==>4(x-1)(x+2)=(3x-2)^24(x^2+2x-x-2)=9x^2-12x+44x^2+4x-8=9x^2-12x+45x^2-16x+12=0(5x-6)(x-2)=0x=6/5 or 2¤£ª¾¹D¹ï¤£¹ï^^
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¡Ô(5x^2-6x+1)+ ¡Ô(5x^2+9x-2)=5x-1¡Ô[(5x-1)(x-1)]+¡Ô[(5x-1)(x+2)]=5x-1(¡Ô(5x-1))(¡Ô(x-1)+¡Ô(x+2))=5x-1¡Ô(x-1)+¡Ô(x+2)=¡Ô(5x-1)2x+1+2¡Ô((x-1)(x+2))=5x-12¡Ô((x-1)(x+2))=3x-24x^2+4x-8=9x^2-12x+45x^2-16x+12=0x=(16¡Ó4)/10x=2 or 6/5¥N¦^ì¤èµ{¦¡(³o¬O¸Ñ®Ú¦¡¤èµ{«Ü«nªº¤@¨B!)¬Ò²Å¦X
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¡Ô(5x^2-6x+1)+ ¡Ô(5x^2+9x-2)=5x-1¡Ô[(5x-1)(x-1)]+¡Ô[(5x-1)(x+2)]=5x-1¡Ô(x-1)+¡Ô(x+2)=¡Ô(5x-1)2x+1+2¡Ô((x-1)(x+2))=5x-12¡Ô((x-1)(x+2))=3x-25x^2-16x+12=0x=2 or 6/5
¡Ô(5x^2-6x+1)+¡Ô(5x^2+9x-2)=5x-1¡Ô[(5x-1)(x-1)]+¡Ô[(5x-1)(x+2)]=5x-1¥O5x-1=A¡Ô[A(x-1)]+¡Ô[A(x+2)]=AA(x-1+X+2)+2¡Ô[A^2(x-1)(x+2)]=A^22Ax+A+2A¡Ô(x-1)(x+2)]=A^22x+1+2¡Ô(x^2+x-2)=A±a¤JA=5x-15x^2-16x+12=0x=2©Î6/5
¡Ô(5x-1)(x-1)+¡Ô(5x-1)(x+2)=5x-1¥Oy=5x-1¡Ôy(x-1)+¡Ôy(x+2)=y¨âÃ䥤èy(x-1)+2¡Ôy^2(x-1)(x+2)+y(x+2)=y^2y(2x+1)+2¡Ôy^2(x-1)(x+2)=y^22¡Ôy^2(x-1)(x+2)=y(y-2x-1)¥N¤Jy=5x-12¡Ôy^2(x-1)(x+2)=y(3x-2)¨âÃ䥤è4y^2(x-1)(x+2)=y^2(9x^2-12x+4)y^2[4(x-1)(x+2)-(9x^2-12x+4)]=0¥N¤Jy=5x-1(5x-1)^2(5x^2-16x+12)=0(5x-1)^2(x-2)(5x-6)=0x=1/5, 2, 5/6¦³¤T¸Ñ1/5, 2, 5/6
µ¥¦¡¨âÃ䤣¥i¥ô·N®ø¥h¬Y£¸¤½¦]¦¡§_«h·|µo¥Í´î®Úªº±¡§Î¨Ò¦p:(5x-1)f(x)=(5x-1)g(x)¦¹¤èµ{¦¡¥»¨Ó¦³£¸®Ú¬°x=1/5,¦ýY¥ý¦P®É°£¥H5x-1,«h¸Ñ¥X¨Óªº®Ú±N¯Ê¤Öx=1/5³oÓ®Ú©Ò¥H¤Wz¨Ò¤lÀ³¥ý±N5x-1´£¥X§Y(5x-1)[f(x)-g(x)]=0«h5x-1=0, f(x)-g(x)=0