Question

what is the solution of
x^2 + 6x = -5

Answer 1

Step 1: Add 5 to both sides.
What does the equation look like after that?

Answer 2

Add five to what side ?

Answer 3

Both sides. The left side and the right side.

Answer 4

x= 1 ?

Answer 5

If you don't know how to add 5 to both sides, you're not ready for quadratic equations.
Go back and review how to solve problems like:
2x + 5 = 11
or 3x + 1 = -4