Math Problem Statement

lim x kuadrat - 16 per x kuadrat + x - 20 = lim x adalah 4

Solution

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Math Problem Analysis

Mathematical Concepts

Limits
Algebra
Factoring
Difference of Squares

Formulas

Limit formula: lim_{x \to a} f(x)
Factoring difference of squares: a^2 - b^2 = (a - b)(a + b)

Theorems

Factorization
Limit laws

Suitable Grade Level

Grades 10-12