a y ^ { 2 } d y = a y ^ { 3 } + c
Solve for a
\left\{\begin{matrix}a=\frac{c}{\left(d-1\right)y^{3}}\text{, }&y\neq 0\text{ and }d\neq 1\\a\in \mathrm{R}\text{, }&\left(y=0\text{ or }d=1\right)\text{ and }c=0\end{matrix}\right.
Solve for c
c=a\left(d-1\right)y^{3}
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ay^{3}d=ay^{3}+c
To multiply powers of the same base, add their exponents. Add 2 and 1 to get 3.
ay^{3}d-ay^{3}=c
Subtract ay^{3} from both sides.
ady^{3}-ay^{3}=c
Reorder the terms.
\left(dy^{3}-y^{3}\right)a=c
Combine all terms containing a.
\frac{\left(dy^{3}-y^{3}\right)a}{dy^{3}-y^{3}}=\frac{c}{dy^{3}-y^{3}}
Divide both sides by dy^{3}-y^{3}.
a=\frac{c}{dy^{3}-y^{3}}
Dividing by dy^{3}-y^{3} undoes the multiplication by dy^{3}-y^{3}.
a=\frac{c}{\left(d-1\right)y^{3}}
Divide c by dy^{3}-y^{3}.
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