How do you simplify 2 times the square root of 80?

Answer 1

The first step would be to separate the square root of 80 into its component square roots: sqrt 4 x sqrt 20. sqrt 4 can simplify to 2, and sqrt 20 simplifies to sqrt 4 x sqr t5. sqrt 4 then simplifies to 2. Now it is 2x2x2xsqrt 5. The simplest form would then be 8 sqrt 5.

2 x √80

2 x √4 x √20

2 x 2 x √4 x √5

2 x 2 x 2 x √5

8 x √5

8√5