Posted by **kamleen** on Monday, August 23, 2010 at 10:49am.

is this anwer correct

9a^2b + 3c + 2a^2b + 5c =

ANSWER : 11a^2 + 8c^2

- math -
**Reiny**, Monday, August 23, 2010 at 10:55am
your answer is not correct

9a^2b + 3c + 2a^2b + 5c

= 11a^2b + 8c

- math -
**PsyDAG**, Monday, August 23, 2010 at 10:56am
11a^2 + 8c

Where did you get c^2?

- math -
**kamleen**, Monday, August 23, 2010 at 11:22am
9a^2b + 2a^2b= 11a^2

3c+5c = 8c^2

so the answer IS 11a^2 +8c^2

- math -
**drwls**, Monday, August 23, 2010 at 3:20pm
No, it isn't.

Both your last equations, and "the answer" are wrong. Read again the posts of Reiny and PsyDAG.

- math -
**kamleen**, Monday, August 23, 2010 at 8:25pm
there are choices

a) 19a^2bc

b) 11a^2b+8c

c) 11a^4b^2 +8c^2

d) 19a^2b^2c^2

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