Answer:
p= -2+√(5) and p= -2-√(5)
Explanation:
Given the form ax²+bx = D, you add in b/2 and get:
ax² + bx + (b/2)² = D + (b/2)²
After that, I factored it to (p+2)²=5
Whenever taking a square root, you always get a ± as an answer.
The rest is just algebra