By completing the square, solve the equation $$2x^2 + 5x + 3 = 0$$(Select the valid answer)

$$x=-\frac{5}{4} \pm \frac{1}{4}$$

$$x=\frac{5}{4} \pm \frac{1}{4}$$

$$x=\frac{5}{4} \pm \frac{1}{8}$$

$$x=-\frac{5}{4} \pm \frac{1}{4}$$

Beyond GCSE Revision

Search for:

Learn, refresh, and challenge yourself on completing the square at AS Level with this revision-focused post. Includes examples and questions. Continue reading Completing the Square – AS Level Maths