Math Problem Statement

lim (20x - 60) / (x^3 + 4x^2 - 21x) as x approaches 3

Solution

It looks like you've uploaded an image with two limit problems. Let's focus on problem 17. The expression is:

lim⁡x→320x−60x3+4x2−21x\lim_{{x \to 3}} \frac{{20x - 60}}{{x^3 + 4x^2 - 21x}}

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Math Problem Analysis

Mathematical Concepts

Limits
Polynomial Functions
Algebra

Formulas

Limit formula: lim f(x) / g(x)
Factoring polynomials

Theorems

Limit Laws
Factorization

Suitable Grade Level

Grade 11-12 (Pre-Calculus or Calculus)

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