CPM Homework Help : CAAC Problem 2-96

Copy and simplify the following expressions by combining like terms. Homework Help ✎
1. y + 2x − 3+ 4x ² + 3x − 5y
2. 2x − 6x ² + 9 − 1 − x − 3x
3. 2y ² + 30x − 5y ² + 4x − 4y − y
4. −10 + 3xy − 3xy + y ² +10 − y ²

Hint (a):

Rearrange so that like terms are together, and so that terms are in order of power. Then, combine like terms.

Answer (a):

4x² + 5x − 4y − 3

Hint (b):

Follow the steps in part (a).

Hint (c):

Follow the steps in part (a).

Answer (c):

3y² + 34x − 5y

Hint (d):

Follow the steps in part (a).

More Help (d):

Don't lose track of negative signs.