GCSE Maths Practice: substitution

Question 6 of 10

This question practices substitution into a rational algebraic expression and simplification.

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\( \text{Evaluate: } \frac{2x^2 - y}{x - y} \text{ when } x = 4,\ y = 2 \)

Choose one option:

Calculate numerator first, then divide by denominator. Double-check each step.

Compute numerator and denominator separately, then divide carefully following BIDMAS.