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August 2, 2014

Homework Help: Math help please ASAP

Posted by Delilah on Monday, May 6, 2013 at 9:35pm.

2.
Simplify the polynomial.

3f^2 + 4f 3 + 8f^2 + 7f + 1


5f^2 11f + 2
11f^2 + 11f + 2
5f^2 + 11f 2
5f^2 + 11f 2

3. (2x2 + 6x + 1) + (7x2 + 2x 3)

5x2 4x 2
5x2 + 8x 2
5x2 8x + 2
9x2 8x + 2

4. (3x2 7x 4) (6x2 6x + 1)

3x2 x 5
3x2 13x + 5
9x2 x + 5
3x2 13x 5

6. The area of room A is (5x^2 7x 6) ft^2. Room B has an area of (8x^2 + 6x 1) ft^2. If room A is the larger room, how much greater is the area of room A than the area of room B?

3x^2 x 7
13x^2 13x 7
3x^2 13x 5
3x^2 x 5

My answers:
2. 5f^2 + 11f + 2
3. 5x2 8x + 2
4. 3x2 x 5
6. -3x^2-13x-5

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