Write x2+3x−284x2−13x−12\displaystyle \frac{x^2 + 3x - 28}{4x^2 - 13x - 12}4x2−13x−12x2+3x−28 in the form x+abx+c\displaystyle \frac{x + a}{bx + c}bx+cx+a where aaa, bbb, and c c\,c are integers.
255 exam-style questions on Edexcel GCSE Maths Algebraic Fractions. Each one has a worked solution and a mark scheme showing where the marks go.