Answer
$6x^3+29x^2+27x-20$.
Work Step by Step
The given expression is $(2x+5)(3x^2+7x-4)$.
Multiply the second bracket by each term of the first bracket.
$=2x(3x^2+7x-4)+5(3x^2+7x-4)$
Clear the parentheses and simplify.
$=6x^3+14x^2-8x+15x^2+35x-20$
Add like terms.
$=6x^3+29x^2+27x-20$.
