Can anybody show me how to do this?

4 times the square root of (4-x) = square root of (5x+1)

Question

Can anybody show me how to do this?

4 times the square root of (4-x) = square root of (5x+1)

anonymous · Answer

Square both sides of the equation. It becomes a lot easier.

anonymous · Answer

ok thank you Rudy  :)

anonymous · Answer

but how do i square it with the 4 in front...do i just ignore it?

anonymous · Answer

Nope. Square it too. It comes out as:
$$4^2(4-x)^2=(5x+1)^2$$

anonymous · Answer

sorry, missed the square root on the previous post.
So actually.
16(4-x)=5x+1 Is the actual answer. 
Just do the multiplication and solve for x.

anonymous · Answer

ok i was wondering about the 16 haha but that helps thank you

anonymous · Answer

ok i got 63= 21x which will come out as 3 ...did I do all that right?

anonymous · Answer

A quick check, is just to sub 3 into the original equation wherever you have an x. 
When you do that it comes out as 4=4, which is valid. 
Your solution is correct!

anonymous · Answer

yay! thanks again

anonymous · Answer

you're welcome.