Question

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

Answer 1

${(3x - 2y)}^{2} - {(3x - 2y)}^{2} \\ \\ 9 {x}^{2} - 12xy + 4 {y}^{2} - (9 {x}^{2} - 12xy + 4 {y}^{2} ) \\ \\ 9 {x}^{2} -12xy + 4 {y}^{2} - 9 {x}^{2} + 12xy - 4 {y}^{2} \\ \\ isso \: tudo \: resulta \: em \: 0$