cj231098adg cj231098adg 03-12-2020 Mathematics contestada Evaluate the following expression using the values given: Find LaTeX: 3r^2-5s+6t3 r 2 − 5 s + 6 t if LaTeX: r=2,\:s=-4,\:t=-1r = 2 , s = − 4 , t = − 1 Answers: -2 26 38 -14