Answer:
The answer is option 3.
Step-by-step explanation:
First, you have to get rid of brackets by expanding :
14x + 3(x - 10)
= 14x + 3(x) + 3(-10)
= 14x + 3x - 30
Next, you have to collect like terms :
14x + 3x - 30
= 17x - 30
