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April 27, 2015

Homework Help: Algrebra

Posted by Jeannie on Sunday, April 3, 2011 at 6:55pm.

Please confirm if I did the follow problems correctly:
A) Find the sum or difference.
(5a Ė 3b) + (2a + 6b)= 7a + 9b
Answer: = 7a + 9b
B) Letís work a few of these (FOIL)
1) (x+2) (x+8) = x 10
Answer: x10
2.) (x+5) (x-7) = x + 11
Answer: x + 11
3.) (2x+4) (2x-3) = 4x + 7
Answer: 4x + 7

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