SOLUTION: Subtract. Simplify by collecting like radical terms if possible. 2sqrt(18)-2sqrt(2) (Simplify your answer. Type an exact answer, using radicals as needed.)

Question 474813: Subtract. Simplify by collecting like radical terms if possible.
2sqrt(18)-2sqrt(2)
(Simplify your answer. Type an exact answer, using radicals as needed.)
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Subtract. Simplify by collecting like radical terms if possible.

:
Factor inside the 1st radical to reveal a perfect square

Extract the square root of 9

now we have like terms so just subtract, leaving us with:

:
:
you can always check these type of problems in a good calc
enter the original problem: results in 5.6568..
enter your simplified expression results in 5.6568, the same so you know it's right.

RELATED QUESTIONS
Add or subtract. Simplify by collecting like radical terms, if possible.... (answered by Tatiana_Stebko)

Subtract. Simplify by collecting like radical terms if possible. {{{5sqrt(32) -... (answered by chrisrao)

Subtract. Simplify by collecting like radical terms if possible. 6√20... (answered by checkley77)

Add or subtract. Simplify by collecting like radical terms, if possible.... (answered by mananth)

2√2 + 6√2 = Simplify by collecting like radical terms, if possible. Type an (answered by stanbon)

Subtract. Simplify by collecting like radical terms if possible.... (answered by stanbon)

Subtract. Simplify by collecting like radical terms if possible... (answered by belle3833)

Could you please help me with this problem and tell me if these others are correct. 1.... (answered by Alan3354)

Subtract. Simplify by collecting like radical terms if possible.... (answered by stanbon,checkley77)