Algebra 1 · Expressions & Equations
Distributive Property
Algebra 1 · Expressions & Equations
Definition
The distributive property is a rule stating a(b + c) = ab + ac, multiplying a factor across a sum.
Examples
- 4(x + 2) = 4x + 8.
- -3(2x - 5) = -6x + 15.
Key rule
Multiply the outside factor by every term inside the parentheses.
Memory hook
Share the factor with everyone inside the parentheses.