Simplify 14c−9d+3c−2d14c - 9d + 3c - 2d14c−9d+3c−2d, giving your answer in the form pc+qdpc+qdpc+qd, where p p\,p and q q\,q are integers.
260 exam-style questions on Eduqas GCSE Maths Simplifying Algebra. Each one has a worked solution and a mark scheme showing where the marks go.