Question

Simplify the radical expression.

Answer 1

\[\sqrt{128}\]

Answer 2

First find the factors of 128.
Then move any perfect square factors out of the radical to simplify.

Answer 3

\[\sqrt{128} = \sqrt{4*4*4*2} = ???\]

Answer 4

how do you find the factors

Answer 5

Factoring is like taking a number apart. It means to express a number as the product of its factors. Factors are either composite numbers or prime numbers (except that 0 and 1 are neither prime nor composite).
http://www.math.com/school/subject1/lessons/S1U3L1GL.html

Answer 6

128 is an even number so keep dividing by 2. You'll end up with something like:
128 : 2*2*2*2*2*2*2