Question

Using properties of proportion. Solve for x. Given that x is positive. 2x+√4x2-1

Answer 1

Answer:

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Answer 2

Answer:

2x + √4x²- 1 = 0

√4x²+ 2x- 1 = 0

2x²+ 2x - 1 = 0

x = -b ± √b²- 4ac / 2a

x = -2 ± √2² - 4(2)-1 / 2(2)

x = -2 ± √4 + 8 / 4

x = -2 ± √12 / 4

x = -2 ± √4 × 3 / 4

x = -2 ± 2√3 / 4

x = -2 + 2√3 / 4

and

x = -2 - 2√3 / 4

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