IM AM SO CONFUSED Find the solution set. 8x2 - 2x – 1=0 Separate the two values with a comma.

Dennis Ushakov asked Sep 9, 2022

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4 votes

IM AM SO CONFUSED

Find the solution set.
8x2 - 2x – 1=0
Separate the two values with a comma.

Dennis Ushakov asked Sep 9, 2022

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24 votes

Hello,

Answer (1/2,-1/4)

$8x^2-2x-1=0\\\\8x^2-4x+2x-1=0\\\\4x(2x-1)+2x-1=0\\\\(2x-1)(4x+1)=0\\\\sol=\{(1)/(2) ,-(1)/(4) \}\\$

Orjanto answered Sep 14, 2022

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