GCSE Maths Practice: substitution

Question 9 of 10

This question practices substitution into a fractional algebraic expression and simplifying carefully.

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\( \text{Evaluate: } \frac{x^2 + 3xy - y^2}{x - y} \text{ when } x = 5,\ y = 2 \)

Choose one option:

Work out numerator first, then divide by denominator. Double-check your arithmetic.

Compute each term in the numerator separately, combine them, then divide by the denominator following BIDMAS.