Greetings!
Simplify the Expression.
[tex]=4x(2x-3)[/tex]
Distribute the Parenthesis.
How? Multiply the terms inside the Parenthesis by the term outside of the Parenthesis.
[tex]=4x*2x-4x*3[/tex]
Combine Like Terms.
[tex]=8x^2-12x[/tex]
[tex] \left[\begin{array}{ccc}8x^2-12x\end{array}\right] [/tex]
Hope this helps.
-Benjamin