Answer:
k = 0
Step-by-step explanation:
Note the equal sign. What you do to one side, you do to the other. Do the opposite of PEMDAS. First, subtract 6 from both sides
k² + 6 (-6) = 6 (-6)
k² = 0
Isolate the k. Root both sides
√(k²) = √(0)
k = 0
0 is your answer for k
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