Answer:
x = (u-b^3)^2 /a
Step-by-step explanation:
u = sqrt(ax) + b^3
Subtract b^3 from each side
u- b^3 = sqrt(ax) + b^3 - b^3
u- b^3 = sqrt(ax)
Square each side
(u-b^3)^2 = (sqrt(ax))^2
(u-b^3)^2 =ax
Divide each side by a
(u-b^3)^2 /a = ax/a
(u-b^3)^2 /a = x
x = (u-b^3)^2 /a
