Posted by **Delilah** on Sunday, May 5, 2013 at 10:12pm.

1. (9m + 6) + (5m 6)

4m + 12

14m + 12

14m 12

4m

2. (3r^2 + 7r + 1) + (4r^2 8r 2)

7r2 + 15r 1

7r2 r 1

7r2 15r 3

r2 r 1

3. (6h + 1) (9h + 4)

3h 3

15h 5

3h + 3

3h + 5

4. (7w^2 2w 1) (5w^2 + 3w 2)

12w^2 + 5w + 1

2w^2 5w 1

2w^2 5w + 1

12w^2 5w 3

My answers:

1. 14m + 12

2. 7r2 r 1

3. 15h 5

4. 12w^2 5w 3

- Math help please -
**Ms. Sue**, Sunday, May 5, 2013 at 10:20pm
1, 3, and 4 are wrong.

Please go back and study working with negative numbers.

- Math help please -
**Delilah**, Sunday, May 5, 2013 at 10:24pm
ok

is #4 "-2w^2 - 5w + 1"?

- Math help please -
**Megan**, Sunday, May 5, 2013 at 10:25pm
I agree with Ms. Sue. Negative number play seems to be the problem with the incorrect problems.

- Math help please -
**Ms. Sue**, Sunday, May 5, 2013 at 10:33pm
4 is right now.

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