SOLUTION: How do I solve n(n-6) >= -4

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Question 120069:
How do I solve n(n-6) >= -4
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
N(N-6>=-4
N^2-6N>=-4
N^2-6X+4>=0
USING THE QUADRATIC EQUATION:N=%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
N=(6+-SQRT[-6^2-4*1*4])/2*1
N=(6+-SQRT[36-16])/2
N=(6+-SQRT20)/2
N=(6+-4.47)/2
N=(6+4.47)/2
N=10.47/2
N=5.235 ANSWER.
N=(6-4.47)/2
N=1.53/2
N=.765 ANSWER.