Question

$(3 {x}^{2} - 2y) {}^{2}$
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Answer 1

Respuesta:

$9x^{4}-12x^{2} y+4y^{2}$

Procedimiento:

$(3x^{2} -2y)^{2} \\\\(3x^{2} )^{2} -2(3x^{2} )(2y)+(2y)^{2} \\\\9x^{4}-12x^{2} y+4y^{2}$