GCSE Maths Practice: algebraic-proof

Question 2 of 11

This question practices the difference of squares technique.

\( \text{Prove that } (2a + 3)(2a - 3) = 4a^2 - 9. \)

Choose one option:

Square each term separately and subtract carefully.

The formula \((x+y)(x-y) = x^2 - y^2\) can be applied to any binomial pair.