Square of a Difference — How to Expand (a – b)² Step-by-Step | Limitless Math

Welcome to Limitless Math – your one-stop destination to master math from the ground up.

📐 Master the square of a difference identity — explained step-by-step with clear visuals.
Squaring a binomial isn't just memorization — it's understanding patterns. In this video, you’ll learn how to expand it, how it differs from the square of a sum, and how to apply it to real algebra problems and test questions.

📘 In this lesson, you’ll learn:

The formula

Why the middle term becomes negative

How to expand binomials

How to connect this identity to perfect square trinomials

Visual proof using area models and algebra tiles

How to avoid common mistakes (like forgetting the middle term!)

📌 Ideal for Pre-Algebra, Algebra 1, and Algebra 2 — and perfect prep for SAT, ACT, and GED exams.

🧠 Includes color-coded terms, animated expansions, and side-by-side comparisons with the square of a sum for deeper understanding.

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Видео Square of a Difference — How to Expand (a – b)² Step-by-Step | Limitless Math канала Limitless Math