Alg 1
posted by Jane on .
Find the exact solution for each equation. Find the approximate solution to the nearest tenth.
5 sq rt 2/ sq rt 2 1 = x / sq rt 2
Please explain in detail how to work this. I am really confused. Thanks

5√2/(√21) = x/√2
5√2√2/(√21) = x
x = 10/(√21)
rationalize the denominator to get
x = 10(√2+1)