Answer
$g=\frac{W}{(h-3t^{2})}$
Work Step by Step
We are given that $W=gh-3gt^{2}$. To solve for g, first use the distributive property to pull g out of both terms on the right side.
$W=(g\times h)-(3\times g\times t^{2})=g(h-3t^{2})$
Divide both sides by $(h-3t^{2})$.
$g=\frac{W}{(h-3t^{2})}$