SOLUTION: please help me solve this question {{{ b^4-8b^2+4 }}} this is factor completely not radical

SOLUTION: please help me solve this question {{{ b^4-8b^2+4 }}} this is factor completely not radical

Algebra.Com

Question 639415: please help me solve this question
this is factor completely not radical
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!

take difference of sqrt of end terms and square:

difference of 2 squares

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