Answer:
x² - 4x + 3
General Formulas and Concepts:
Alg I
Step-by-step explanation:
Step 1: Define
Roots: x = 1, 3
Leading Coefficient: 1
Step 2: Write linear roots
(x - 1)(x - 3)
Step 3: Expand by FOIL
x² - 3x - x + 3
Step 4: Combine like terms
x² - 4x + 3
