SOLUTION: Simplify by combining like terms. 1) 5 square root of 8 MINUS 2 square root of 50 PLUS square root of 18 2) 3 square root of 5 MINUS square root of 45

Question 124528: Simplify by combining like terms.
1) 5 square root of 8 MINUS 2 square root of 50 PLUS square root of 18

2) 3 square root of 5 MINUS square root of 45
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Simplify:
1)
The technique to use here is to factor the quantity under the radical (the radicand) looking for perfect squares in the factors. When you do find a factor that is a perfect square, take its square root and move the result outside of the radical.
Like this:
the 4 is a perfect square and its square root is 2, so you can rewrite this as:
=
See the idea?
Simplifying, we get:

2) Simplify:
=
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