解方程x^5-10x^3+20x-18=0

4x-3(20-x)=5x解方程 解方程3X(X-5)=10-2X 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) 解方程x^5-10x^3+20x-18=0 x+3/20x=46 ,x-1/5x=40 ,x-1/2x=3/4 ,x-0.2x=18解方程 这些解方程：x-6=15%x12 x-10%x=18 40%x+1/5x=15 25%x-5=60%x 5 3x+20%x=160 x+25%=1/4这些解方程：x-6=15%x12 x-10%x=18 40%x+1/5x=15 25%x-5=60%x 5 3x+20%x=160 x+25%=1/4 帮忙啊 这些解方程：x-6=15%x12 x-10%x=18 40%x+1/5x=15 25%x-5=60%x 5 3x+20%x=160 x+25%=1/4 这些解方程：x-6=15%x12 x-10%x=18 40%x+1/5x=15 25%x-5=60%x 5 3x+20%x=160 x+25%=1/4 解方程2(x-3)(x+5)=x的平方+x的平方(x-20)+(x-2)(x+3) matlab解数值分析题p=(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)*(x-13)*(x-14)*(x-15)*(x-16)*(x-17)*(x-18)*(x-19)*(x-20)解为1,2,3……,20取多个非常小的数用软件工具求解方程p（x）+n*x^19=0,并 MATLAb编程解方程clear;clcsyms xfor n=1:6X2=solve('(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)*(x-13)*(x-14)*(x-15)*(x-16)*(x-17)*(x-18)*(x-19)*(x-20)+1e-n*x^19=0',x);double(X2)end与直接代入n=1,2,...6算出来 1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550必须用解方程 解方程3x^2+9x+10=644x^2+2x-1=03x(x-5)=4x-20 解方程X(X+1)-X(X-3)=2(X+1)(X-1)+20 解方程 x(2x-4)+3x(x-1)=5x(x-3)+8 解方程 3x/x×x-1+x×x-1/3x=5/2 解方程(x-3/x)-(3-x/x+1)=5x-15/2x+2 解方程：x(3x-4)+2x(x+7)=5x(x-7)+90 解方程：(x-2)(x^2-6x-9)=x(x-5)(x-3)