

Chứng minh pt sau vô no :
[tex]\frac{5x^2-5x+10}{\sqrt{x+7}+3}+\frac{2x+6}{\sqrt{x+2}+2}=x^2+5[/tex]
@matheverytime @iceghost @Aki-chan @pinkmath
[tex]\frac{5x^2-5x+10}{\sqrt{x+7}+3}+\frac{2x+6}{\sqrt{x+2}+2}=x^2+5[/tex]
@matheverytime @iceghost @Aki-chan @pinkmath