GCSE Maths Practice: substitution

Question 6 of 10

This question practices substitution with cubes and squares, combining different powers in one expression.

‹ ›

\( \text{Evaluate } x^3 - y^3 + z^2 \text{ when } x = 5, y = 3, z = 4 \)

Select all correct options:

Cube and square each number first. Then carefully add and subtract terms to avoid mistakes.

Compute x^3, y^3, and z^2 separately. Combine results step by step following BIDMAS.