Question 22
**(a)** Express $x^2 + 4x + 2$ in the form $(x + a)^2 + b$, where $a$ and $b$ are integers.
Cambridge AS & A Level. 2025. Mathematics (9709). May/June - Paper 1 (12) · Pure Mathematics 1 - Question 22
Cambridge AS & A Level · Paper 1 (12) · Pure Mathematics 1
