SOLUTION: not from a book. 6 squareroot of 45 +2 square root 80 i did it 2 different ways. which is correct. let\ stand for square root for this problem. first way

Algebra.Com
Question 33429: not from a book.
6 squareroot of 45 +2 square root 80
i did it 2 different ways. which is correct.
let\ stand for square root for this problem.
first way

6\9\5 + 2\10\4\2
6\45 + 2\80
6*3\5 +2\10*2\2
=6\9\5 + 2\5\16
=6*3\5 + 2\5*4
=18\5 + 8\5
=26\5



Found 2 solutions by sarah_adam, stanbon:
Answer by sarah_adam(201)   (Show Source): You can put this solution on YOUR website!
Either way you are correct and the answer is right
Just a clear way of your way of solving:
6+2
6+2
6*3+2*4
18+8
(18+8)
26

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
6sqrt(45) + 2sqrt(80)
6(3)sqrt5 +2(4)sqrt5
18sqrt5 + 8sqrt5
26sqrt5
Cheers,
Stan H.

RELATED QUESTIONS

Simplify: 4 + square root of 2 ____________________ 3- 2 square root of 2 Note:... (answered by stanbon)
What is the distance between the two points (3, 2) and (–5, 6)? Which answer is it? (answered by ewatrrr)
hello,im homeschooled and i had a problem solving this expression. can you please check (answered by josmiceli)
Here are a few problems that I am not sure if I got them right. Thanks. Paul 1)... (answered by ankor@dixie-net.com)
simplify 1/squareroot of 3+2 + 1/square root of 3-2 This is from... (answered by Boreal)
Use half number identity to find tan (-pi/8) I get that its a 45 degree so 1- cos45/... (answered by Alan3354)
Solve for B to the nearest tenth of a degree in interval odegrees<= B<= 360degrees forth... (answered by CharlesG2)
hello, i already did this problem but i feel like its wrong so can you please check it (answered by Alan3354)
Use Property 1 to simplify the following radical expressions. Assume that all variables... (answered by stanbon)