GCSE Maths Practice: algebraic-proof

Question 5 of 9

Practice expanding binomials.

\( \text{Prove that } (x + 1)(x - 2) = x^2 - x - 2. \)

Choose one option:

Multiply each term carefully and simplify.

Use distributive property: \((x+1)(x-2)=x(x-2)+1(x-2)\).