8x^3+27/4x^2+12x+19

The given expression is 8x^3 + (27/4)x^2 + 12x + 19. To simplify or evaluate this expression, you can follow these steps:

Step 1: Group similar terms
Group the terms with the same exponent and separate them from other terms. In this case, we have:

(8x^3) + ((27/4)x^2) + (12x) + 19

Step 2: Simplify the expression
Begin by simplifying any division or multiplication within each term. In this case, there are no divisions or multiplications within the terms.

Step 3: Combine like terms
Combine the terms that have the same exponent. In this case, we have:

8x^3 + (27/4)x^2 + 12x + 19

Step 4: The final simplified expression
The simplified expression is 8x^3 + (27/4)x^2 + 12x + 19.

Please note that I have assumed the expression is written correctly as 8x^3 + (27/4)x^2 + 12x + 19. If there is any mistake or missing information, please provide additional details.