Answer:
6x^4 - 10x^3 - 28x + 15
Step-by-step explanation:
(6x^3 + 4x^2 + 6x - 5) (2x - 3)
= 6x^4 - 18x^3 + 8 x^3 - 12x^2 + 12 x^2 - 18x - 10x+ 15
= 6x^4 - 10x^3 - 28x + 15
