SOLUTION: Simplify completely: (-4+ squareroot 5r) squared

Algebra ->  Test -> SOLUTION: Simplify completely: (-4+ squareroot 5r) squared      Log On


   

Question 398863: Simplify completely: (-4+ squareroot 5r) squared
Found 2 solutions by MathLover1, checkley79:
Answer by MathLover1(20850) About Me  (Show Source):
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
(-4+ squareroot 5r) squared
-4+sqrt5r
-4+sqrt5r
----------------
16-4sqrt5r-4sqrt5r+5r
16-8sqrt5r+5r ans.