Question

/x^2+1/+ / 2x-3/= x^2 + 4 

 

Answer 1

\(\left(x^2+1\right)+\left(2x-3\right)=x^2+4\\ x^2+1+2x-3=x^2+4\\ x^2+1+2x-3-x^2-4=0\\ 2x-6=0\\ 2x=6\\ x=3\)

vậy......

Answer 2

Ta có: \(x^2+1+2x-3=x^2+4\)

\(\Leftrightarrow2x-2=4\)

\(\Leftrightarrow2x=6\)

hay x=3