Simplify the following.
1. 3(x + 4) - 2(x + 4) = __________________________
2. 4(2x + 1) + 3(2x + 1) = _________________________
3. 5(x2 - 7) + 2(x2 - 7) = _______________________
4. 7(x2 + 3x - 1) - 5(x2 + 3x - 1) = ______________________
5. 3(6x3 + 1) + 2(6x3 + 1) = ___________________________
6. 2(8n4 + 5n + 1) - 2(8n4 + 5n + 1) = ______________________
7. If 2n = 8, what is the value of 6n? ____________
8. If 4n = 5, what is the value of 12n + 3? ___________
9. If 2n + 3 = 11, what is teh value of 2n + 4? _________
10. If 5n - 9 = 22, what is the value of 5n - 10? __________
11. If 10n + 12 = 30, what is the value fo 5n + 6? __________
In 12-15, find all real number solutions. Show your work.
12. (n + 4)2 = 36
13. (n + 6)2 = 49
14. (n - 1)2 = 9 15. (n - 5)2 = 100