SOLUTION: ADDING AND SUBTRACTING RADIACALS How to: 3((Square Root)27 + 3) 2 (square root) 12 - 7 (square root)3 (square root)8 + 2 (square toot2 -3 (square root)6 + 8 (square root)6

Algebra ->  Radicals -> SOLUTION: ADDING AND SUBTRACTING RADIACALS How to: 3((Square Root)27 + 3) 2 (square root) 12 - 7 (square root)3 (square root)8 + 2 (square toot2 -3 (square root)6 + 8 (square root)6      Log On


   

Question 127426: ADDING AND SUBTRACTING RADIACALS
How to:
3((Square Root)27 + 3)
2 (square root) 12 - 7 (square root)3
(square root)8 + 2 (square toot2
-3 (square root)6 + 8 (square root)6
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
3sqrt(27)+3
=3sqrt(9*3)+3
=9sqrt(3)+3
.
2sqrt(12)-7sqrt(3)
=2sqrt(4*3)-7sqrt(3)
=4sqrt(3)-7sqrt(3)
=-3sqrt(3)
.
sqrt(8)+2sqrt(2)
sqrt(4*2)+2sqrt(2)
2sqrt(2)+2sqrt(2)
=4sqrt(2)
.
Ed