a_5 &= 2(5)^2 + 3(5) + 1 = 50 + 15 + 1 = 66.

Tue, 05 May 2026 19:40:24 +0000

Understanding the Equation: 5⁵ = 2(5)² + 3(5) + 1 = 66 – A Step-by-Step Breakdown Math doesn’t have to be intimidating — even complex expressions can be broken down into simple, understandable steps. In this article, we explore the mathematical expression 2(5)² + 3(5) + 1, show why it adds up to 66, and why mastering such calculations is key to strong numeracy skills. --- ### The Equation Explained: From Algebra to Addition