Question

Combine like terms

Please check and tell me if I'm right or wrong ( you have to combine the like terms)

Answer 1

15. Correct
16. Correct
17. Correct
18. Not visible
19. Correct if that is a +10 :)
20. Not visible

21. Not quite.
3y² + 3(4y² - 2)
3y² + 12y² - 6
15y² - 6

22. Not visible

23. Not quite.
0.5(x^4 - 3) + 12
0.5x^4 - 1.5 + 12
0.5x^4 + 10.5

24. Not visible


You did good! :)