[latex] \frac{(5x+3)^{2}-(5x-3)^{2}}{x} [/latex] решите пожалуйста!

[latex]\frac{(5x+3)^2-(5x-3)^2}{x}=\\\\\frac{(25x^2+30x+9)-(25x^2-30x+9)}{x}=\\\\\frac{60x}{x}=60[/latex]