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Big Ideas Math Geometry, 2014

BI

Big Ideas Math Geometry, 2014 View details

Maintaining Mathematical Proficiency

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Exercise 1 Page 527

The acronym FOIL stands for First, Outer, Inner, and Last.

x^2 + 11x +28

Practice makes perfect

We want to simplify the given product using the FOIL method. Recall that the acronym F OI L stands for First, Outer, Inner, and Last.

Let's now simplify the expression by multiplying and combining like terms.

(x)(x)+(x)(4)+(7)(x)+(7)(4)

Multiply

x^2 + 4x + 7x + 28

Add terms

x^2 + 11x +28

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Exercises p.527