Simplify 8f−3f8f - 3f8f−3f
Simplify 6x2−5x+2x2+9x6x^2 - 5x + 2x^2 + 9x6x2−5x+2x2+9x
Hence simplify 3(6x2−5x+2x2+9x)3(6x^2 - 5x + 2x^2 + 9x)3(6x2−5x+2x2+9x)
260 exam-style questions on OCR GCSE Maths Simplifying Algebra. Each one has a worked solution and a mark scheme showing where the marks go.