Question

√4x^2 + √16x^2 =

Answer 1

\[\sqrt{4x^2} + \sqrt{16x^2}\]
\[\sqrt{2^2x^2} + \sqrt{4^2x^2}\]
\[\sqrt{(2x)^2} + \sqrt{(4x)^2}\]
\[2x + 4x\]
\[6x\]

Answer 2

do you understand what i have done??

Answer 3

how did you get sqrt 2 and sqrt 4??