Posted by **-Untamed-** on Tuesday, September 27, 2011 at 8:01pm.

ã27 + ã12 - ã32 - ã8

ã27 = ã3*3*3 = 3ã3

ã12 = ã2*2*3 = 2ã3

ã32 = ã2*2*2*2*2 = 4ã2

ã8 = ã2*2*2 = 2ã2

3ã3 + 2ã3 - 4ã2 - 2ã2

Here is where I get sort of confused. Because the like terms are 3. And so Im supposed to add them and I get 5ã3. Then I subtract the 4ã2 - 2ã2 and I get a 2ã2, but its supposed to be 6.(would that be known as the index? And can indexes be negative??

## Answer This Question

## Related Questions

- math - is this a radical expression ã12-ã27+ã75= please help
- math - Simplify ã12+ã18-ã27+ã50 thnx a lot any help is greatly appriceted...
- Pre Calc-decode matrix - help!-matrix size is 3x3 clues for the encoding matrix...
- pre-calculus urgent - Please help me here as well to clarify more my ...
- Physical Science - Which of the following is a balanced equation? a. A1 + CuSO4...
- math - Simplify: (a) 4ã7 (2ã3 +3ã6 -ã7 ) (b) (3ã7 -ã2 )squared (c) (16ã...
- Linear Algebra - Find an example of 2 by2 matrices with a12 = .5 for which: a. A...
- 8th Grade Algebra-Radicals:Answer Check - 4. 3ã11 + 4ã11 Answer: 8ã11 7. 7ã2...
- Math - Let A1,A2...A12 be twelve equally spaced points on a circle with radius ...
- math 117 - help solve ã18+ã32=

More Related Questions