make x the subject of gk = (x + a ) ^2 / 10
You asked:
Solve the equation \[g k = \frac{{\left( x + a \right)}^{2}}{10}\] for the unknown \(x\).
MathBot Answer:
$$\begin{aligned}x &= - a + \sqrt{10} \sqrt{g k}\\x &= - a - \sqrt{10} \sqrt{g k}\end{aligned}$$