Class 8 Math: Factorisation Quick Revision Chapter Summary

Need to review the entire chapter before a test? This quick revision guide summarizes all the core concepts, topics, and equations taught in Class 8 Factorisation to help you refresh your memory instantly.

Core Topics At a Glance

### 📌 Factors of algebraic expressions Finding the product components that make up an algebraic expression, written in factored form.

### 📌 Common factors regrouping Factorizing by grouping terms in sets of two that share common binomial factors.

### 📌 Factorisation using identities Using standard algebraic identities to write quadratic trinomials in factored form.

### 📌 Split middle term factorisation Factorizing quadratic trinomials of the form x² + px + q by finding two numbers that add to p and multiply to q.

### 📌 Division of algebraic expressions (monomial/polynomial) Dividing algebraic expressions by factoring terms completely and cancelling out common factors.

Key Formulas Mind Map

• Trinomial Factorisation: `x^2 + (a+b)x + ab = (x+a)(x+b)` - Factors quadratic trinomial into product of binomials....

Revision Checklist

1. Review the subtopic guides and outline notes.
2. Practice writing the key formulas from memory.
3. Solve at least 3 worked examples and check your steps.
4. Take a timed practice quiz to verify your speed.