SOLUTION: simplify radical 18 - radical 50 12 radical x + 2 radical x i solved them for the first one i got -30 and the second one i got 24x but i dont know if i am doing them corr

Question 152787: simplify
radical 18 - radical 50
12 radical x + 2 radical x
i solved them for the first one i got -30 and the second one i got 24x but i dont know if i am doing them correct i need to see the steps
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
simplify
radical 18 - radical 50
12 radical x + 2 radical x
:
I have no idea how you got those answers but here's what I think
:

:
Factor inside the radicals to reveal the perfect squares

;
Extract those squares:

:
Now we have like terms () so just do the math:

;
:

:
These are like terms (), just do the math

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