SOLUTION: Could you please help me with this problem and tell me if these others are correct. 1. Multiply. (sqrt12+2)sqrt(11)sqrt(12)2sqrt(11) 2.sqrt(25x^2) answer 5x 3. simplify root

Question 195461: Could you please help me with this problem and tell me if these others are correct.
1. Multiply.
(sqrt12+2)sqrt(11)sqrt(12)2sqrt(11)
2.sqrt(25x^2) answer 5x
3. simplify
root3sqrt(-8x^3) answer -2x
Subtract, Simplplify by collecting like radical terms if possible.
4sqrt(45)9sqrt(5) answer 3sqrt5
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1. Multiply.
(sqrt12+2)sqrt(11)sqrt(12)2sqrt(11)
I shouldn't have to guess, but if it's
then
=
=
=
=
Problems that don't require guessing what the problem is get solved sooner.
--------------------------
2.sqrt(25x^2) answer 5x
That's correct
------------------
3. simplify
root3sqrt(-8x^3) answer -2x
That's correct
---------------
Subtract, Simplplify by collecting like radical terms if possible.
I don't see anything to subtract.
4sqrt(45)9sqrt(5)
= 4*9*sqrt(225)
= 4*9*15
= 540
------------
answer 3sqrt5 Not correct.

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