Help me to solve this please, i'll give you 50 points

h(-2/3) = (-2/3)³ - 5/2(-2/3)² + 2(-2/3) + 10
h(-2/3) = -8/27 - 20/18 - 4/3 + 10
h(-2/3) = -16/54 - 60/54 - 72/54 + 540/54
h(-2/3) = 392/54
h(-2/3) = 196/27
h = 196/27 x 3/-2
h = 98/-9