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Exponential Representation for Irrational Numbers

Solve: x2-x...

Question

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

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Solution

Now,
$x^{2} - x - 2 = 0$
$x^{2} - 2 x + x - 2 = 0$
$x (x - 2) + 1 (x - 2) = 0$
$(x + 1) (x - 2) = 0$
$x = - 1, 2$ .

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