nathars913 nathars913 28-02-2021 Mathematics contestada [tex]( {3 x}^{2} - 4x + 8) + ( - {x}^{2} - 2x - 8)[/tex]a.[tex] {2x}^{2} - 6[/tex]b.[tex] {2x}^{2} - 2x[/tex]c.[tex] {2x}^{2} - 6x + 1[/tex]d.[tex] {2x}^{2} + 6[/tex]
