Chapter 4 · Class 9 ICSE · Formula Sheet

Factorization Formulas — Class 9 ICSE

Factorize polynomials using remainder theorem, factor theorem, and algebraic identities.

Key Formulas

Remainder Theorem

p(x) \div (x - a) \text{ gives remainder } p(a)

Factor Theorem

p(a) = 0 \implies (x - a) \text{ is a factor}

Identity Factoring

a^3 + b^3 + c^3 - 3abc = (a+b+c)(a^2+b^2+c^2-ab-bc-ca)

Worked Examples

1Using: Application

Apply the key formula from this topic to a sample problem.

Step 1: Identify the formula.

Step 2: Substitute the values.

Step 3: Simplify to get the answer.

Answer: See solution above

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More Class 9 ICSE Formulas

Rational & Irrational NumbersCompound InterestExpansionsSimultaneous Linear EquationsIndices (Exponents)Logarithms

Frequently Asked Questions

How many formulas are in Class 9 ICSE Factorization?+
There are 3 formulas in the Factorization chapter for Class 9 ICSE. Each formula is essential for solving problems in this topic.
How to remember Factorization formulas easily?+
Practice regularly with worked examples, group related formulas together, and use SparkEd's interactive practice mode to reinforce your memory through problem-solving.
Are these Factorization formulas enough for exams?+
Yes, these formulas cover the complete ICSE Class 9 syllabus for Factorization. Practice applying them to different types of questions for full exam readiness.

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