Question

5root2-2root5+root18
How do you get from that to 8root2-2root5?

Answer 1

Nevermind, I understood it Thanks Anyways (:

Answer 2

how did u solve it?

Answer 3

well, the root of 18 becomes root 9 *root 2 and since root of 9 becomes 3 and root 2 cannot be simplified it becomes 3root2; then you had 5root2+3root2 since they are common and then it becomes 8root2-2root5

Answer 4

where did you get the 2 root 5 from?

Answer 5

Its in the question, it cannot be simplified

Answer 6

ow,i saw it,thank you :)

Answer 7

No Problem (: