The FOIL Method for Expanding
Part of Quadratic Expressions · GCSE GCSE Mathematics revision
This deep dive covers The FOIL Method for Expanding within Quadratic Expressions for GCSE Mathematics. Revise Quadratic Expressions in Algebra for GCSE Mathematics with 12 exam-style questions and 22 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 3 of 8 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 3 of 8
Practice
12 questions
Recall
22 flashcards
The FOIL Method for Expanding
FOIL stands for: First, Outer, Inner, Last
To expand (x + 3)(x + 5):
- First: x × x = x²
- Outer: x × 5 = 5x
- Inner: 3 × x = 3x
- Last: 3 × 5 = 15
Combine: x² + 5x + 3x + 15 = x² + 8x + 15
Keep building this topic
Read this section alongside the surrounding pages in Quadratic Expressions. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Quadratic Expressions
Expand (x + 5)².
Explain how to recognise whether x² + 12x + 36 is a perfect square trinomial, and write it in factorised form.
Quick Recall Flashcards
12 questions on Quadratic Expressions — practise free
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