ImpracticalJokers2 ImpracticalJokers2 30-11-2017 Mathematics contestada Simplify the expression. (15 POINTS!) [tex]6 t^{2} - 5.4 - 3.5t + 2.5x^{2} + 3t[/tex] A. [tex]-8.5 t^{2} + 0.5t + 5.4[/tex] B. [tex]8.5t^{2} - 0.5t + 5.4[/tex] C. [tex]4 t^{2} - 6.5t [/tex] D.[tex]-4 t^{2} + 6.5t [/tex]