Sunday
September 21, 2014

Homework Help: Math

Posted by Chandler on Thursday, August 18, 2011 at 2:17pm.

Can you check these questions for me?

1. Add: (3x^4-x+2)+(9x^5-x^2+x)
9x^5+3x^4-x^2+2

2. Add: (4x^3-2x^2+x+4)+(9-x^5-x^2+4x)
-x^5+4x^3-3x^2+13

3. Subtract:(4x^4+3x+x^2)-(x^2-6+3x^3)
4x^4-3x^3+3x+6

4. Subtract: (5x-6)-(3x^3-2x^2)
-3x^3+2x^2+5x-6

5. Subtract: (x-3x^4+2x^2)-(x^3+4x^6)
-4x^6-3x^4+x^3+2x^2-x

6. (x+1)(x^2+x+1)
x^3+2x^2-2x+2

7. (x-1)(x^3+x^2+x)
x^4-x

Thanks in advance!

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