Answer:
[tex]12x+8y[/tex]
Step-by-step explanation:
1) Expand by distributing terms.
[tex]4*3x+4*2y[/tex]
2) Simplify 4*3x to 12x.
[tex]12x+4*2y[/tex]
3) Simplify 4*2y to 8y.
Therefor, the answer is 12x + 8y.