More Algebra I Lessons
Videos, worksheets, solutions, and activities to help Algebra 1 students learn how to multiply binomials using FOIL or Smiley Face method.
This method can only be used when we are multiplying a binomial by a binomial.
How to multiply a binomial by a binomial using the FOIL method and a Smiley Face Method?
FOIL stands for First, Outer, Inner, Last.
(2x - 3)(5x + 9)
(7x - 3)(2x + 3)
Multiplying Binomials – Smiley Face Method
Examples: Multiply the following binomials
1) (3a - 4b)(2c + 5d)
2) (3 + 2y)(3y - 4)
Three ways to multiply binomials
How to multiply binomials using FOIL, the Distributive Method, and the Box Method?
What is a binomial?
A binomial is a polynomial with 2 terms.
A binomial is not an equation.
Multiplying Two Binomials Using the FOIL Method
(x + 3)(x + 2)
(x + 4)(x - 5)
(x - 2)(x - 6)
Expanding Double Brackets
How to expand a set of double brackets using the smiley face method?
(x + 2)(x + 3)
The following video looks at multiplying binomials (2 term polynomials).
When multiplying binomials we use what we call the F.O.I.L Method. First, Outer, Inner, Last.
(2x + 5)(x - 4)
Binomial Distribution: FOIL rap
First, Outer, Inner, Last
Binomial times binomial
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