Question

(a-2)x^2-2ax+(a+2)=0拜托各位了 3Q

Answer 1

(a-2)x^2-2ax+(a+2)=0 ax-2x-2ax+a+2=0 ax-2ax+a=2x-2 (x-2x+1)=(2x-2)/a (x-1)=2/a*(x-1) x-1=2/a x=(2/a)+1