Edexcel GCSE Maths: Don't Lose Easy Marks on Factorising Quadratics

Master factorising quadratic equations for your GCSE Maths exam! In this lesson, we break down step-by-step how to factorise simple quadratics (x^2 + bx + c) across all 4 sign patterns so you never lose marks in your exam. What you will learn in this video: How to factorise when both signs are positive How to handle negative middle terms What to do when the constant term is negative How the sign of the constant tells you whether to add or subtract factors Full worked examples and step-by-step checks for Edexcel, AQA, and OCR Timestamps: 0:00 - Introduction & The 4 Sign Patterns 0:27 - Pattern 1: Both Signs Positive (x^2 + 7x + 12) 3:10 - How to Cross-Check Your Answer (Double Brackets) 3:52 - Pattern 2: Negative Middle Term (x^2 - 5x + 6) 4:57 - Pattern 3: Negative Constant Term (x^2 + 2x - 15) 7:16 - Pattern 4: Both Terms Negative (x^2 - 7x - 18) 🔔 Subscribe to XL MATHS for more step-by-step GCSE Maths tutorials, revision walkthroughs, and exam tips! #GCSEMaths #FactorisingQuadratics #MathsRevision #GCSE2026 #Algebra