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.Com
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)   (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

RELATED QUESTIONS

The section is adding/subtracting radicals. My problem is subtracting. The equation is: (answered by stanbon,tutor_paul)
This question is in reference to adding and subtracting radical expressions: 2b... (answered by stanbon)
Roots A.)Find each root - sq root 25 B) Quotient Rule for Radicals Simplify... (answered by solver91311)
what is the rule for adding and subtracting multipying and diving intergers . for... (answered by longjonsilver,sdmmadam@yahoo.com)
im working on >>>> Adding and Subtracting Rational Expressions 7/(x+2)-4/(2... (answered by jim_thompson5910,oberobic)
A square playing field is to be changed to a rectangular shape by adding 2 m to the... (answered by Theo)
Adding and subtracting rational expressions. 3/x plus 2 equals... (answered by rfer)
Please HELP me with the following questions. I have answered almost all of them but left... (answered by richard1234)
Please help me solve this adding and subtracting polynomial: (3p^2 - 2p + 3) - (p^2 - 7p... (answered by rapaljer)