x-3-x-2-x-2-0-Find-x-

Question Number 207327 by hardmath last updated on 11/May/24

(x - 3) \sqrt{x^{2} - x - 2} = 0

Find : x = ?

Commented by A5T last updated on 11/May/24

x = 3 o r 2 o r - 1

Answered by Frix last updated on 11/May/24

p q = 0 \Rightarrow p = 0 \lor q = 0

\sqrt{r} = 0 \Leftrightarrow r = 0

p = x - 3 = 0

q = \sqrt{x^{2} - x - 2} = 0; r = x^{2} - x - 2 = 0

Both are easy to solve .

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