분해 식 방정식:2x2x+5−55x−2=1.

분해 식 방정식:2x2x+5−55x−2=1.

2 x 2 x+5-5(2x+5)(2x+5)(2x+5)-5(2x+5)(2x+5)(2x+5)(2x+5)(2x+5)(2x+5)(2x+5)(2x+5)(2x+5)(2x+5)(2x+5)(5 x+5)=1,10 x 2-14x-25=10 x 2+20 x 2 x 2 x 2+21 x 2 x 2 x-10,-35x x x=15,x=-37,검사:x=-37 대 입(2x+5)(2x+5 x+5)(5 x+5 x+5)=1,10 x 2 x 2 x 2 x-14 x-25=10,10 x 2 x x=-37 은 원 방정식 의 해...