Simplify 6j×5k6j \times 5k6j×5k
Simplify 7a−6b+ka+4b7a - 6b + ka + 4b7a−6b+ka+4b
Give your answer in terms of kkk.
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.