Question

How do I solve this step by step?

Answer 1

solve what?

Answer 2

\[x^2 + 5\sqrt{3}^2 = (2x)^2\]

Answer 3

hint:
\[\large {\left( {2x} \right)^2} = 4{x^2}\]
and:
\[\large {\left( {\sqrt 3 } \right)^2} = \sqrt 3 \times \sqrt 3 = ...?\]

Answer 4

Are you still stumped? @Bacon