Solve for m
m=-8\left(x-10\right)x^{2}
x\neq 0
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x^{3}+\frac{m}{8}=10x^{2}
Multiply both sides of the equation by x^{2}.
\frac{m}{8}=10x^{2}-x^{3}
Subtract x^{3} from both sides.
m=80x^{2}-8x^{3}
Multiply both sides of the equation by 8.
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