ải các phương trình sau
1,6(x+3)-9(x+4)+7(x+6)=0
2,(x-6)^2-25=0
3,(4x-5)^2-9(4x+5)^2=0
4,(5x-6)^2=(3x+5)(6-5x)
5, x^4+x^3+x^2+x+1=0
6,x^3+y^3+(x+y)^3+30xy=2000
〖7,x〗^4-x^3+2x^2-x+1=0
8,(x^4-5x^2-36)(8-3x)
=(x^2-9)(x^2+4)(2x+3)
〖9,(x+3)〗^3-(x-1)^3=56
10,(x+1)^4+(x-3)^4=82
11,,(x-1)^5+(x+3)^5=242(x+1)
12,(4-x)^5+(x-2)^5=32
13,x(x^2-1)(x+2)=24
giải các phương trình sau 1, 6x+3-9x+4+7x+6=0 2, x-62-25=0 3, 4x-52-94x+52=0 4,5x-62=3x+56-5x 5, x4+x3+x2+x+1=0 6,x3+y3+x+y3+30xy=2000 7,x4-x3+2x2-x+1=0 8, x4-5x2-368-3x =x2-9x2+42x+3 9, x+33-x-13=56 10,x+14+x-34=82 11,,x-15+x+35=242x+1 12,4-x5+x-25=32 13, xx2-1x+2=24 14,x+2x+3x-5x-6=180 15,2x8x-124x-1=9 16,2x+1x+122x+3=18 17,12x+723x+22x+1=3 18,x+13+x-23=2x-13 19,x-13+2x-32+3x-5 =3x-12x-33x-5 20,x+9x+10x+11-8x=0 21,x2+3x+2x2+7x+12=24 22,x2-32+3x-1=x2x-1 23,2x2+33-10x3-15x=0 24,x2-4x+11x4-8x2+21=35 25,x2+3x+2x2+7x+12=2x2 26,x+2x+3x+8x+12=4x2 27,10x+144-104x+14=256 28,x4-4x3-19x2+106x=120 29,4x3+21x2+21x+4=0 30,2x4-7x3+9x2-7x+2=0 31, x5+2x4+3x3+3x2+2x+1=0 32, 2x3-x2+5x+3=0 33, 24x3-26x2+20x=20x2-9x+6 34,2x4-9x3+4x2-9x+2=0 35,64+25x3+12x2-25x+6=0 36,2x4-21x3+74x2-105x+50=0 37,6x4+7x3-36x2-7x+6=0 38, x2-x+1+x2-2x+3+ + x2-100x+199=0
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