can someone help me with this problem..??

1 ⤊

add or subtract the polynomials.

2a+3b
a-4b
_________

and

(2a-6)+(3a+8)

2007-02-23 13:24:36 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2a + 3b - (a - 4b)

2a + 3b - a + 4b

a + 7b
----------------

5a + 2

2007-02-23 13:28:33 · answer #1 · answered by 7 · 1⤊ 0⤋

#1 if it is subtraction... a-7b

if addition 3a-b

#2 5a+2

2007-02-23 13:30:05 · answer #2 · answered by meeepaulinee 2 · 0⤊ 0⤋

3a -b(added), (subtracted) a+7b

5a+2(added), (subtracted) -a -14

2007-02-23 13:34:55 · answer #3 · answered by mischa 6 · 0⤊ 0⤋

2a + 3b - (a - 4b)

2a + 3b - a + 4b

a + 7b
----------------

5a + 2

2007-02-23 13:29:47 · answer #4 · answered by BeAcH DuDe 1 · 0⤊ 0⤋

http://www.algebra.com

2007-02-23 13:27:24 · answer #5 · answered by sunflare63 7 · 0⤊ 0⤋