What is the exact value of the expression the square root of 72 − the square root of 8 + the square root of 128?

simplify if possible. (1 point)

select one:
a. 8the square root of 2
b. 12the square root of 2
c. 8the square root of 3
d. 12the square root of 3

Option B is correct.

Step-by-step explanation:

Given Expression is

Simplify the given expression,

72 = 2 × 2 × 2 × 3 × 3                 ⇒ √72 = 6√2

8 = 2 × 2 × 2                               ⇒ √8 = 2√2

128 = 2 × 2 × 2 × 2 × 2 × 2 × 2   ⇒ √128 = 8√2

⇒  

Therefore, Option B is correct.

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.