Answers

2015-09-14T18:01:09+05:30
(x-3)² - 4
⇒[(x)² + (-3) - 2(x)(-3)]
⇒[x² + 9 - 2x(-3)] - 4
⇒[x² + 9 -6x] - 4
⇒x² - 6x + 9 - 4
⇒x² - 6x + 5
⇒x² - 5x - x + 5
⇒x(x - 5) - 1(x - 5)
⇒(x - 5)(x - 1).
 If you want further x values can be found  as x= 5 or 1
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