SOLUTION: simplify by combining like terms 8. 2(-2a^2-4d)-(-3a^2+17d) 11.-5(a-b)-(a-b)+8(a-b) 12. -4(x+5(-3xy+x))-(10+15xy) 13. 5/8c^2-1/4d-3/7c^2+3/5 14. 3(5a)-7(3b)-3(2a)+2(9b)

Algebra ->  Finance -> SOLUTION: simplify by combining like terms 8. 2(-2a^2-4d)-(-3a^2+17d) 11.-5(a-b)-(a-b)+8(a-b) 12. -4(x+5(-3xy+x))-(10+15xy) 13. 5/8c^2-1/4d-3/7c^2+3/5 14. 3(5a)-7(3b)-3(2a)+2(9b)      Log On


   

Question 1006563: simplify by combining like terms
8. 2(-2a^2-4d)-(-3a^2+17d)
11.-5(a-b)-(a-b)+8(a-b)
12. -4(x+5(-3xy+x))-(10+15xy)
13. 5/8c^2-1/4d-3/7c^2+3/5
14. 3(5a)-7(3b)-3(2a)+2(9b)
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

8.
2%28-2a%5E2-4d%29-%28-3a%5E2%2B17d%29
-4a%5E2-8d%2B3a%5E2-17d
%283a%5E2-4a%5E2%29%2B%28-17d-8d%29
-a%5E2-25d


11.
-5%28a-b%29-%28a-b%29%2B8%28a-b%29
-5a%2B5b-a%2Bb%2B8a-8b
%288a-5a-a%29%2B%285b%2Bb-8b%29
%288a-6a%29%2B%286b-8b%29
2a-2b

12.
+-4%28x%2B5%28-3xy%2Bx%29%29-%2810%2B15xy%29
+-4%28x%2B%28-15xy%2B5x%29%29-10-15xy
+-4%28x-15xy%2B5x%29-10-15xy
+-4%28-15xy%2B6x%29-10-15xy
+-4%28-15xy%29-4%286x%29-10-15xy
+60xy-24x-10-15xy
+%2860xy-15xy%29-24x-10
+45xy-24x-10

13.
%285%2F8%29c%5E2-%281%2F4%29d-%283%2F7%29c%5E2%2B%283%2F5%29
%28%285%2F8%29c%5E2-%283%2F7%29c%5E2%29-%281%2F4%29d%2B%283%2F5%29
%285%2F8-3%2F7%29c%5E2-%281%2F4%29d%2B%283%2F5%29
%285%2A7%2F%288%2A7%29-3%2A8%2F%287%2A8%29%29c%5E2-%281%2F4%29d%2B%283%2F5%29
%2835%2F56-24%2F56%29c%5E2-%281%2F4%29d%2B%283%2F5%29
%2811%2F56%29c%5E2-%281%2F4%29d%2B%283%2F5%29

14.
3%285a%29-7%283b%29-3%282a%29%2B2%289b%29
15a-21b-6a%2B18b
%2815a-6a%29%2B%2818b-21b%29
9a-3b