Answer:

Explanation:
Now we have to,
→ Simplify the given expression. 
The expression is,
→ 7(5x + 2) + 5x
Let's simplify the expression,
→ 7(5x + 2) + 5x
→ 7(5x) + 7(2) + 5x
→ 35x + 14 + 5x 
→ (35x + 5x) + 14 
→ (40x) + 14 
→ 40x + 14 
Hence, the option (c) is correct.