Скачать или смотреть Class 9 Mathematics | Exercise 4.4 Q 1 | Chapter 4 (New Book 2025) | PEN Academy

Welcome to PEN Academy’s step-by-step solution of Exercise 4.4, Question 1 from the Class 9 Mathematics New Book (2025 edition).
In this video/lesson you will:

Learn how to identify and apply the relevant algebraic identity or factorization method required in the question.

See a clear walkthrough of solving the problem from start to finish, with each step explained in simple terms.

Get tips on how to avoid common mistakes, how to write the solution neatly, and how to prepare for similar questions in exams.
Whether you’re doing self-study or revising for upcoming exams, this session will help you strengthen your understanding of Chapter 4 and build your confidence.
Don’t forget to pause the video and try each step yourself before seeing the worked-out answer — active practice helps you learn better.