SOLUTION: Simplify 3 times the fourth root of 486 subtract 2 times the fourth root of 2 plus 3 times the fourth root of 32

Question 665851: Simplify 3 times the fourth root of 486 subtract 2 times the fourth root of 2 plus 3 times the fourth root of 32
Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
Find perfect root factors of the numbers under the root - in this case they have to be perfect fourth root factors. 486 is 6*81 and 81 = 3*3*3*3 so pull out the 3 and 3*4throot(486) becomes 6*4throot(6).

32 is 2*16, and 16 is 2*2*2*2 so 3*4throot(32) = 3*2*4throot(2) = 6*4throot(2).

Add like terms.

6*4throot(6)+4*4throot(2)

Hope the solution helped. Sometimes you need more than a solution. Contact fcabanski@hotmail.com for online, private tutoring, or personalized problem solving (quick for groups of problems.)

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