2x+8x+8分之x²+2x+1÷(x+1)×x+1分之x²+x-2分式的乘除法
问题描述:
2x+8x+8分之x²+2x+1÷(x+1)×x+1分之x²+x-2分式的乘除法
答
2x²+8x+8分之x²+2x+1÷(x+1)×x+1分之x²+x-2
=(x+1)²/2(x+2)²*1/(x+1)*(x+2)(x-1)/(x+1)
=(x-1)/2(x+2)