Two chemical factories are discharging toxic waste into a large lake, and the pollution level at a point x miles from factory A toward factory B is  P(x) = 3x2 − 48x + 514  parts per million  (for 0 ≤ x ≤ 50).  Find where the pollution is the least.x =           mi

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Two chemical factories are discharging toxic waste into a large lake, and the pollution level at a point x miles from factory A toward factory B is 

P(x) = 3x2 − 48x + 514

 parts per million 

(for 0 ≤ x ≤ 50).

 Find where the pollution is the least.
x =           mi

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