Question

Solve the equation by completing the square x^2-3x-3=0

Answer 1

x2 + -3x + -3 = 0
Reorder the terms:
-3 + -3x + x2 = 0
Move all terms containing X to the left, all other terms to the right.

Add '3' to each side of the equation.
-3 + -3x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + -3x + x2 = 0 + 3

Combine like terms: try it from here :)