1. Section 7.1
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Remember, only like terms can be combined.
Use the Commutative Property of Addition.
Start by rearranging the expression.
A constant is a number with a known, fixed value.
8x-1
- 8x+1
14x^2+6x+8
5x-20
Commutative Property of Addition
Distribute x
Add terms
Multiply
a+(- b)=a-b
Commutative Property of Addition
Factor out x^2
Factor out x
Add terms
Multiply