What is the solution of this equation? -1/2n2+18=0
1 answer:
Answer:
Step-by-step explanation:
So we have the equation:
Subtract 18 from both sides. The left cancels:
Multiply both sides by -2. The left cancels again:
Take the square root of both sides:
Since we're taking the square root, we need to use plus-minus.
Evaluate:
So, the solutions are -6 or 6.
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