Answer:
[tex]4x^{2} + 46x[/tex]
Step-by-step explanation:
Step 1: Distribute
[tex](4x * x) + (4x * 9) + 10x[/tex]
[tex]4x^{2} + 36x + 10x[/tex]
Step 2: Combine Like Terms
[tex]4x^{2} + 36x + 10x[/tex]
[tex]4x^{2} + (36x + 10x)[/tex]
[tex]4x^{2} + 46x[/tex]
Answer: [tex]4x^{2} + 46x[/tex]