# How do you simplify #sqrt( 8 x + 1) = 5#?

##### 2 Answers

Apr 9, 2016

#### Explanation:

#color(blue)(sqrt( 8 x + 1) = 5#

Square both sides to get rid of the radical sign

Check

Apr 9, 2016

#### Explanation:

Square root is an 'action'. To 'get rid' of that action you reverse it!

The reverse of square root is to square it.

Square both sides giving:

Subtract 1 from both sides (the revers of add is subtract)

Divide both sides by 8 (the reverse of multiply is divide).

But