Question

help me simplify this @jim_thompson5910

Answer 1

\[$\frac{6\sqrt{10}}{4-\sqrt{2}}\]

Answer 2

opps take out the dollar sign

Answer 3

the answer is .. but i dont know how

Answer 4

\[\frac{12\sqrt{10\:+6\sqrt{5}}}{7}\]

Answer 5

to rationalize the denominator, multiply top and bottom by 4+sqrt(2)

Answer 6

@jim_thompson5910 still didnt get the answer...

Answer 7

(4-sqrt(2))*(4+sqrt(2)) = ??

Answer 8

oh that was nothing

Answer 9

what do you mean

Answer 10

well I solved for it but i still didnt get the answer

Answer 11

what did you get

Answer 12

3 -2*squareroot5/2-2squareroot4

Answer 13

I'm just asking about the value of (4-sqrt(2))*(4+sqrt(2))

Answer 14

use this rule (a-b)(a+b) = a^2 - b^2