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What is the solution set of 8x^2 -2x -1 =0
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What is the solution set of 8x^2 -2x -1 =0

User Trecouvr
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1 Answer

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Explanation:

4x^2 - 8x >= 0

Factor left side

4x(x - 2) >=0

Then case I) 4x <=0 and x - 2 <= 0

so x <= 0 and x <= 2

So x <= 0

User Michele Tonutti
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