1MA0 Higher June 2013 Paper 1 Q23

EdexcelHigherOld spec2 marksAlgebraic Fractions

23 Simplify \(\dfrac{4(x + 5)}{x^2 + 2x - 15}\) (2)

Working	Answer	Mark	Notes
\(\dfrac{4(x + 5)}{(x + 5)(x - 3)}\)	\(\dfrac{4}{x - 3}\)	2	M1 for \((x \pm 5)(x \pm 3)\) A1 for \(\dfrac{4}{x - 3}\)