Solve for j
j=\frac{x\left(x+4\right)}{x-1}
x\neq 1
Solve for x
x=\frac{\sqrt{j^{2}-12j+16}+j-4}{2}
x=\frac{-\sqrt{j^{2}-12j+16}+j-4}{2}\text{, }j\geq 2\sqrt{5}+6\text{ or }j\leq 6-2\sqrt{5}
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