Answers

2016-03-05T18:44:57+05:30
X^4 + 2x^2 + 6x + 12
= x^2 ( X + 2 ) + 6 ( x + 2 )
( x + 2 ) ( x^2 + 6 )
X + 2 = 0 / x^2 + 6 = 0
X = ( -2 ) / x^2 = ( -6 )
accepted / rejected ,
negative number is not a
square.
0
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