Question 348014

c = (sqrt(r/t))-2

bring the 2 to the other side:

c + 2 = sqrt(r/t)

square both sides to get rid of the square root:

(c+2)^2 = r/t

multiply both sides by (t^2)/r to get rid of the fraction of r/t:

((c+2)^2)times (t^2)/r = t

if we expand the equation, we get:

(c^2 + 4c +4)x (t^2)/r = t