SOLUTION: Please show me how to factor completly 4a^4-26a^2+30

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Question 55228: Please show me how to factor completly 4a^4-26a^2+30
Answer by venugopalramana(3286)   (Show Source): You can put this solution on YOUR website!
Please show me how to factor completly 4a^4-26a^2+30
2[2a^4-13a^2+15]=2[2a^4-10a^2-3a^2+15]=2[2a^2(a^2-5)-3(a^2-5)]
=2(a^2-5)(2a^2-3)

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