#### Answer

5(x+3)

#### Work Step by Step

Use the distributive property and combine like terms.
7(x+3)-2(x+3)
7x+21-2x-6
(7x-2x)+(21-6)
5x+15
The greatest common factor of these terms is 5. Factor out 5 using the reverse of the distributive property.
5x+15=5(x+3)