Multiply.

(x-6) (4x + 3)

Fully simplified it equals 4x^2 - 21x - 18

Explanation:

-You need to distribute the x to all of the terms in the second binomial and you also need to distribute - 6 to all the terms in the second binommial giving you 4x^2 + 3x - 24 - 18

-You combine like terms to simplify and your answer is 4x^2 - 21x - 18