Verify that (m+3)(m+4)=m2+7m+12(m + 3)(m + 4) = m^2 + 7m + 12(m+3)(m+4)=m2+7m+12
255 exam-style questions on OCR GCSE Maths Expanding and Factorising Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.