Factorise fully 42a2+56ab42a^2 + 56ab42a2+56ab
Solve 4(g+7)=284(g + 7) = 284(g+7)=28. Hence solve 4(2g+14)=564(2g + 14) = 564(2g+14)=56.
261 exam-style questions on OCR GCSE Maths Expanding and Factorising. Each one has a worked solution and a mark scheme showing where the marks go.