Answer
$x^2+2x-24$.
Work Step by Step
The given expression is
$=(x+6)(x-4)$
Distribute $(x-4)$ to each term of $(x+6)$.
$=x(x-4)+6(x-4)$
Use distributive property.
$=x(x)+x(-4)+6(x)+6(-4)$
Multiply.
$=x^2-4x+6x-24$
Combine like terms.
$=x^2+2x-24$
Hence, the product is $x^2+2x-24$.