câu 1 :tâp nhiêm cua phuong trinh(x+\(\dfrac{2}{3}\))(x-\(\dfrac{1}{2}\))=0 la câu 2:trong cac so 1;2;-2va -3thi sao nao la ngiem cua phuongg trinh x+1=2x+3 câu3:tap nhiem cua phuong trinh \(\dfrac{\left(-x+2\right)\left(2\text{x}+10\right)}{x^{2^{ }}+10\text{x}+25}\)=0la câu 4 dieu kien xac đinh cua phuong trinh \(\dfrac{x}{x-1}-\dfrac{3}{x-2}=\dfrac{5\text{x}-1}{x^{2^{ }}-3\text{x+2}}\)la câu 5:phuong trinh 2y + m=y-1nhan y = 3 la ngiem khi bang m bang câu 10 :ngiem cua phuong trinh x2+\(\dfrac{1}{x-1}=1+\dfrac{1}{1-x}\)la