Question

解方程 88%x×（x＋2）＝x²

Answer 1

x^2-88%x(x 2)=0,x(x-88%x-2)=0,2x(0.06x-1)=0,所以有2x=0或0.06x-1=0解得x=0或x=50/3(注:若有空格,则为加号)