ill give 15 points please help a bro out !!

Answer:
-7x + 21
Step-by-step explanation:
-7(x - 3)
When you distribute the 7, you are multiply it by each term in the parentheses.
-7 • x = -7x
-7 • -3 = 21
Now combine these terms.
-7x + 21
Hope this helps!