Algebra
posted by Jeannie .
Please confirm if I did the follow problems correctly:
A) Find the sum or difference.
(5a – 3b) + (2a + 6b)= 7a + 9b
Answer: = 7a + 9b
B) Let’s work a few of these (FOIL)
1) (x+2) (x+8) = x 10
Answer: x10
2.) (x+5) (x7) = x + 11
Answer: x + 11
3.) (2x+4) (2x3) = 4x + 7
Answer: 4x + 7

Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.
See your later post.