Question

what is te exact value of thr expression sqrt72 - sqrt 8 + sqrt 128

Answer 1

72 = 2 * 36
8 = 2^3
128 = 2^7
Can you continue?

Answer 2

Ii dont know how to do itt

Answer 3

36 = 6²
√( 2 * 6² ) = 6 √ 2
Do you understand this step?

Answer 4

yes

Answer 5

Can you continue for √ 2³ = ....?

Answer 6

i told you, i dont get this! lol

Answer 7

Why did you say "Yes" ??? Yes means what???