SOLUTION: 10. x^4 – 13x^2 + 36 ≥ 0

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Question 665994: 10. x^4 – 13x^2 + 36 ≥ 0
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
Starting with
x%5E4+-+13x%5E2+%2B+36 ≥ 0
(x%5E2-4)(x%5E2-9) ≥ 0
(x-2)(x+2)(x-3)(x+3) ≥ 0
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