Characteristics

Simplifying Expressions

Example 2

Simplify the following:

x2 + 4x + 3 - 2x + 5x2 -7

Step 1. Remove parentheses by multiplying factors.

There are no parentheses.

Step 2. Use exponent rules to remove parentheses in terms containing exponents.

There are no parentheses.

Step 3. Combine like terms by adding coefficients.

x2 + 5x2+ 4x - 2x+ 3 -7

Step 4. Combine the constants.

6x2 + 2x - 4

Listen