Posted by Cindy on Tuesday, March 24, 2009 at 4:06pm.
Find each sum or difference
(3x^2 + 7x 2)+ (2x^2  3x + 4)
Answer: 5x^2 + 4x + 2
(4x + 8y) + (7y + 3x)
Answer: 7x+1y
(x^2 + 4x  1)+ (9x^2  8x + 9)
Answer: 10x^2  4x + 8
(8x + 6)  (2x  1)
Answer: 6x+ 11

Math/Algebra  bobpursley, Tuesday, March 24, 2009 at 4:25pm
all are correct, except the last one. How did you get 6+1 to equal 11?

Math/Algebra  Cindy, Tuesday, March 24, 2009 at 4:36pm
I'm sorry my answer is 6x + 7 is this right???

Bobpurseley please read the post above.  Cindy, Tuesday, March 24, 2009 at 4:40pm
please read my correct answer

Math/Algebra  bobpursley, Tuesday, March 24, 2009 at 5:29pm
correct.
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