SOLUTION: Combine the radicals below. Show your steps. 1. 4 square root of 11 + 8 square root of 11 2. square root of 80 - square root of 5

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: Combine the radicals below. Show your steps. 1. 4 square root of 11 + 8 square root of 11 2. square root of 80 - square root of 5       Log On


   

Question 253598: Combine the radicals below. Show your steps.
1. 4 square root of 11 + 8 square root of 11
2. square root of 80 - square root of 5

Found 2 solutions by checkley77, JimboP1977:
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
1. 4 square root of 11 + 8 square root of 11
(4+8)sqrt11
12sqrt11 ans.
2. square root of 80 - square root of 5
sqrt(16*5)-sqrt5
4sqrt5-sqrt5
(4-1)sqrt5
3sqrt5 ans.

Answer by JimboP1977(311) About Me  (Show Source):
You can put this solution on YOUR website!
4%2Asqrt%2811%29%2B8%2Asqrt%2811%29
sqrt%2811%29%2A%284%2B8%29 Common factor of sqrt%2811%29
sqrt%2811%29%2A%2812%29
12%2Asqrt%2811%29
sqrt%2880%29-sqrt%285%29
%28sqrt%2816%29%2Asqrt%285%29%29-sqrt%285%29
%284%2Asqrt%285%29%29-sqrt%285%29
%28sqrt%285%29%29%2A%284-1%29%29 Common factor of sqrt%285%29
%28sqrt%285%29%29%2A%283%29%29
%283%2Asqrt%285%29%29%29