Question

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Answer 1

A. x² - x

General Formulas and Concepts:

Pre-Algebra

• Distributive Property

Algebra I

• Terms/Coefficients/Degrees
• Expand by FOIL (First Outside Inside Last)

Geometry

• Area of a Rectangle: A = lw

Explanation:

Step 1: Define

l = x

w = x - 1

Step 2: Find A

1. Substitute [AR]: A = x(x - 1)
2. Distribute x: A = x² - x