Question

una ayudita xfa
[tex]( \frac{2}{3} n - m)^{2} [/tex]
cua es la respuesta
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Answer 1

[tex](\frac{2}{3} n - m)^{2}[/tex]

[tex](\frac{2}{3}n)^{2} - 2 X \frac{2}{3}nm + m^{2}[/tex]

[tex]\frac{4}{9}n^{2} - 2 X\frac{2}{3} nm + m^{2}[/tex]

[tex]\frac{4}{9} n^{2} - \frac{4}{3} mn + m^{2}[/tex]