SOLUTION: Simplify: sqrt (21) (sqrt(7) + sqrt(3)) a) 7 sqrt (3) + 3 sqrt(7) b) 7 sqrt(3) + sqrt (3) c) sqrt (210) d) sqrt (147) + sqrt (63)

Algebra ->  Radicals -> SOLUTION: Simplify: sqrt (21) (sqrt(7) + sqrt(3)) a) 7 sqrt (3) + 3 sqrt(7) b) 7 sqrt(3) + sqrt (3) c) sqrt (210) d) sqrt (147) + sqrt (63)      Log On


   

Question 317157: Simplify: sqrt (21) (sqrt(7) + sqrt(3))
a) 7 sqrt (3) + 3 sqrt(7)
b) 7 sqrt(3) + sqrt (3)
c) sqrt (210)
d) sqrt (147) + sqrt (63)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%2821%29%28sqrt%287%29+%2B+sqrt%283%29%29=sqrt%287%2A3%2A7%29%2Bsqrt%287%2A3%2A3%29
sqrt%2821%29%28sqrt%287%29+%2B+sqrt%283%29%29=7sqrt%283%29%2B3sqrt%287%29
a) is the correct answer.