# How do you solve #(5x-1)^2=16#?

##### 2 Answers

#### Explanation:

First you expand

That leaves us with:

Now we subtract 16 from both sides:

Then all we have to do is plug a,b and c from

So

Take the square root of both sides and solve to get to

#### Explanation:

Start with:

The first problem we have is that everything on the left is squared. We could multiply it out and end up with

And now let's solve:

And we can check the answer: