SOLUTION: Add or subtract. Simplify by collecting like radical terms if possible. 2 multiplied by the square root of 128 minus the square root of 8 plus 6 times the square root of 18.

SOLUTION: Add or subtract. Simplify by collecting like radical terms if possible. 2 multiplied by the square root of 128 minus the square root of 8 plus 6 times the square root of 18.

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Question 803875: Add or subtract. Simplify by collecting like radical terms if possible.
2 multiplied by the square root of 128 minus the square root of 8 plus 6 times the square root of 18.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
2sqrt(128)-sqrt(8)+6sqrt(18)
=2sqrt(64*2)-sqrt(4*2)+6sqrt(9*2)
=16sqrt(2)-2sqrt(2)+3sqrt(2)
=17sqrt(2)
.
Ed
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