Erfana Beevee Binte Hassan Shariff's answer to ariel's Secondary 2 Maths Singapore question.

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Erfana Beevee Binte Hassan Shariff
Erfana Beevee Binte Hassan Shariff's answer
241 answers (Tutor Details)
Notice that the numerator is a quadratic expression that you can factorise using ‘box method’ or ‘cross method’. Then, x - y can be rewritten by - (y - x) so that it can be cancelled with denominator.