解方程x²-x+1=(x²+x+1)(x²+2x+4)
问题描述:
解方程x²-x+1=(x²+x+1)(x²+2x+4)
答
x²-x+1=(x²+x+1)(x²+2x+4) (x²+x+1)(x²+2x+4)-(x²-x+1)=0 (x²+x+1)(x²+2x+1+3)-(x²-x+1)=0 (x²+x+1)(x²+2x+1)+3(x².