naruko-chan_Ejemplos+de+prueba

math \displaystyle\frac{(x+2)^2}{3}\\ (2x-3)^2= 2x^2-2*2x*3+3^2= 4x^2-12x+9\\ \\\[ \left( {x + 2} \right)^2 = x^2 + 2 \cdot x \cdot 2 + 2^2 = x^2 + 4x + 4 \]

math