K^2 +6=6
Isolate the variable (k^2) by placing the 6 across the equal sign. The sign changes from:
Addition to Subtraction
Subtraction to Addition
So the + 6 turns into - 6.
K^2 +6-6=6-6
6-6 gives you a 0.
K^2=0
Take the square root.
K= ±√0
K=-0 And k=+0 is the same result.
Answer: K= 0
