Math Problem Statement
crea la resta numerica de este ejercicioEjercicio 1 x^2 - 2x - 15 < 0 Procedimiento: 1. x^2 - 2x - 15 = (x - 5)(x + 3) 2. x = 5 y x = -3 3. (-∞, -3) negativo, (-3, 5) positivo, (5, ∞) negativo 4. -3 < x < 5
Solution
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Math Problem Analysis
Mathematical Concepts
Inequalities
Factoring Quadratics
Formulas
x^2 - 2x - 15 = (x - 5)(x + 3)
Theorems
Sign analysis for polynomial inequalities
Suitable Grade Level
Grades 9-11