Nakim simplified3√2x + x√8x -5√18x and got-10 √2x for an answer.

Part 1: Using complete sentences, explain what Nakim did wrong.

Part 2: Show all your work to simplify the expression.

(You can use "sqrt()" to show a square root. For example, can be written as 7sqrt(a). )

Question

Nakim simplified3√2x  + x√8x -5√18x  and got-10 √2x for an answer. 

Part 1: Using complete sentences, explain what Nakim did wrong. 

Part 2: Show all your work to simplify the expression. 

(You can use "sqrt()" to show a square root. For example,  can be written as 7sqrt(a). )

directrix · Answer

I think I made the same error as Nakim because I got the same answer he did.

directrix · Answer

I see my error and that of Nakim.
3 Sqrt(2x) and 2x*Sqrt(2x) are not like terms. 
Nakim added 3 and 2x to get 5. That is incorrect.

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