là 12 phần 12 = 12 phần 10+2=12 +1 > 0=2
\(=>\frac{12\left(x+2\right)}{x\left(x+2\right)}=\frac{12x}{x\left(x+2\right)}+\frac{x\left(x+2\right)}{x\left(x+2\right)}\)
\(=>12x+24=12x+x^2+2x\)
\(=>x^2+2x-24=0\)
\(=>x^2+6x-4x-24=0\)
\(=>x\left(x+6\right)-4\left(x+6\right)=0\)
\(=>\left(x-4\right)\left(x+6\right)=0\)
\(=>x-4=0,x+6=0\)
\(=>x=4,-6\)
k nah