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Exponential Representation for Irrational Numbers

Solve : -2x2...

Question

Solve :
$- 2 x^{2} + 5 x - 2 = 0$

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Solution

$- 2 x^{2} + 5 x - 2 = 0$

$2 x^{2} - 5 x + 2 = 0$

$2 x^{2} - 4 x - x + 2 = 0$

$2 x (x - 2) - 1 (x - 2) = 0$

$(x - 2) (2 x - 1) = 0$

$x = 2, \frac{1}{2}$

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