Simplify 6f−f6f - f6f−f
Simplify 7x2−3x+3x2+6x7x^2 - 3x + 3x^2 + 6x7x2−3x+3x2+6x
22 exam-style questions on Edexcel IGCSE Maths Simplifying Algebra. Each one has a worked solution and a mark scheme showing where the marks go.