SOLUTION: √x^4+ 6x^2 + 9

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Question 335168: √x^4+ 6x^2 + 9
Answer by benazir.sj@gmail.com(109) About Me  (Show Source):
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√x^4+ 6x^2 + 9
Solution:
factor x^4 +6x^2+9
=(x^2)^2 +2*x^2*3 +(3)^2
=(x^2+3)^2
√x^4+ 6x^2 + 9 =√ (x^2+3)^2
=√(x^2+3)*(x^2+3)
=(x^2+3)