Respuesta:
Solución !
[tex] = {(7 {x}^{2} - 3y) }^{2} [/tex]
[tex] = {(7 {x}^{2}) }^{2} - 2.7 {x}^{2} .3y + ( {3y)}^{2} [/tex]
[tex] = {49x}^{4} - 42 {x}^{2} y + 9 {y}^{2} [/tex]
Saludos y bendiciones
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Respuesta:
hole ♪
tema ° productos notables !
Solución !
[tex] = {(7 {x}^{2} - 3y) }^{2} [/tex]
[tex] = {(7 {x}^{2}) }^{2} - 2.7 {x}^{2} .3y + ( {3y)}^{2} [/tex]
[tex] = {49x}^{4} - 42 {x}^{2} y + 9 {y}^{2} [/tex]
Saludos y bendiciones