Question

Heyyo, can I get some help?

Answer 1

Answer:

C) Square half of $\frac{2}{5}$ and add to both sides; $\frac{1}{25}$

Step-by-step explanation:

x² + $\frac{2}{5}$x + c

c = ($\frac{1}{2}$ × $\frac{2}{5}$)² = ($\frac{1}{5}$)² = $\frac{1}{25}$