Giải phương trình (5x-2)/(2-2x)+(2x+1)/2=1-(x^2+x-3)/(1-x)
Giải thích
5x−22−2x+2x−12=1−x2+x−31−xx≠1⇔5x−2+2x−11−x21−x=21−x−2x2+x−321−x⇒5x−2−2x2+3x−1=2−2x−2x2−2x+6⇔5x+3x+2x+2x=6+2+1+2⇔12x=11⇔x=1112(tm)S=1112
5x−22−2x+2x−12=1−x2+x−31−xx≠1⇔5x−2+2x−11−x21−x=21−x−2x2+x−321−x⇒5x−2−2x2+3x−1=2−2x−2x2−2x+6⇔5x+3x+2x+2x=6+2+1+2⇔12x=11⇔x=1112(tm)S=1112