How do you solve $sqrt(4x)= 5 x$ ?

Question

1269 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-05-24T21:09:26

Square both sides.

$sqrt(4x) = 5x$

$(sqrt(4x))^2 = (5x)^2$

$4x = 25x^2$

$0 = 25x^2 - 4x$

$0 = x(25x - 4)$

$x = 0 or 4/25$

How do you solve sqrt(4x)= 5 x sqrt(4x)= 5 x ?