Section 4 Part 1: Multiplying 2 Binomials Using the FOIL Method

Section 4 Part 1: Multiplying 2 Binomials Using the FOIL Method
Quick review of combining like terms…

What needs to be true about 2 terms to be considered ‘like terms?’

Explain how to combine like terms.
Are the following pair of terms like terms? If not, state why.
a.) 3𝑥 2
b.) 2𝑥 3 𝑦
c.)
d.)
− 15𝑥 2
4𝑥𝑦 3
Quick review of multiplying monomials…

Explain how to multiply 2 monomials.
Simplify the following:
a.) 4𝑥 3 • 2𝑥 5
d.)
Multiplying 2 Binomials – Use the FOIL Method
What is the FOIL method used for?
What does FOIL stand for?
F
O
I
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b.) 𝑎6 • 3𝑎4
c.) 5𝑥 2 𝑦 • 3𝑥 3 𝑦 2
e.)
We ______________/_________________ all of these results, and then simplify by ___________________________ ___________________________.
Examples – Multiply the Binomials.
a.) (2𝑥 + 1)(3𝑥 + 4) =
b.) (6𝑥 − 2)(𝑥 + 1) =
c.)
e.)
d.)
f.)