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Exponential Representation for Irrational Numbers

Solve : x2-5...

Question

Solve :
$x^{2} - 5 x - 14 = 0$

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Solution

$x^{2} - 5 x - 14 = 0$
$x^{2} - 7 x + 2 x - 14 = 0$
$x (x - 7) + 2 (x - 7) = 0$
$(x - 7) (x + 2) = 0$
$(x - 7) (x + 2) = 0$
$x = 7, - 2$

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