X32x19X?3+2(x+1)=9x+6(x+1)=9×37x+6=277x=27-6x=21÷7x=33/41/3112/3望楼主采纳谢谢2,83461449238/3?4=2/36?1/4=244/9?2/3=2/35/6?4/3=5/864+16×92+922=82+2×8×92+922=(8+92)2=1002=100003,x32925解方程(x-3)2-9=25(x-3)2=34x-3=根号34或-根号34x=根号34+3或-根号34+3﹙x-3﹚2-9=25x-3=√34x=√34+3