Question: Solve the indicated equations graphically. Assume all data are accurate to two significant digits unless greater accuracy is given. In finding the illumination at a

Solve the indicated equations graphically. Assume all data are accurate to two significant digits unless greater accuracy is given.

In finding the illumination at a point x feet from one of two light sources that are 100 ft apart, it is necessary to solve the equation 9x³ − 2400x² + 240,000x − 8,000,000 = 0. Find x.

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