evaluate 6x^2 + 18x -15 at x = 3
A. 75
B. 93
C. 133
D.363

Replace the x in the equation with 3 and solve:
6(3)^2 + 18(3) -15
6(9) + 54 - 15
54 + 54 - 15
108 - 15
93
Answer: B.93