Question 194520: Simplify (2* the square root of 5 - 5* the square root of 6)(3*the square root of 5 + the square root of 6)
Answer by RAY100(1637) (Show Source):
You can put this solution on YOUR website! (2sqrt5-5sqrt6)(3sqrt5+1sqrt6)
distribute using FOIL
6*5 +2 sqrt(5*6) -15sqrt(5*6) -5*6
30 -13 sqrt(30) -30
- 13 sqrt (30 ),,,,,,,ANSWER
check
original = -71.2
answer = -71.2,,,,,,,ok
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