Question

4(6x-1)^2-5=223 whats the answer

Answer 1

Start with

$4(6x-1)^2-5=223$

Add 5 to both sides:

$4(6x-1)^2=228$

Divide both sides by 4:

$(6x-1)^2=57$

Which implies

$6x-1=\pm\sqrt{57}$

Add 1 to both sides

$6x=\pm\sqrt{57}+1$

Divide both sides by 6:

$x=\dfrac{\pm\sqrt{57}+1}{6}$