Respuesta:
d) x^2-4x+2
Explicación paso a paso:
[tex] (3 {x}^{2} - 6x + 4) - (2 {x}^{2} - 2x + 2) \\ 3 {x}^{2} - 6x + 4 - 2 {x}^{2} + 2x - 2 \\ {x}^{2} - 4x - 2[/tex]
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Respuesta:
d) x^2-4x+2
Explicación paso a paso:
[tex] (3 {x}^{2} - 6x + 4) - (2 {x}^{2} - 2x + 2) \\ 3 {x}^{2} - 6x + 4 - 2 {x}^{2} + 2x - 2 \\ {x}^{2} - 4x - 2[/tex]