Edexcel IALMathematicsGeneral Applications4 Marks
Simplify fully (4x² - 9)/(2x² - 13x + 15)
Mark scheme
Marking points from the official mark scheme. The mark or mark type is shown in brackets.
- M1 for attempting to factorise the numerator, e.g. (2x-3)(2x+3)
- M1 for attempting to factorise the denominator, e.g. (2x ± 5)(x ± 3) or (2x ± 3)(x ± 5)
- A1 for correctly factorising the denominator as (2x-3)(x-5)
- A1 for the fully simplified expression (2x+3)/(x-5)
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