SOLUTION: Complete the empty space to make a true statement. 5√2 - √___ + √2 = 4√2

Algebra ->  Square-cubic-other-roots -> SOLUTION: Complete the empty space to make a true statement. 5√2 - √___ + √2 = 4√2      Log On


   



Question 451436: Complete the empty space to make a true statement. 5√2 - √___ + √2 = 4√2
Found 2 solutions by MathLover1, robertb:
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

5√2 - 3√2 + √2 = 4√2

Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
-sqrt%28x%29+=+4sqrt%282%29+-+5sqrt%282%29+-+sqrt%282%29
==> -sqrt%28x%29+=+-2sqrt%282%29
==> sqrt%28x%29+=+sqrt%288%29
==> x = 8.