Evaluate
141500-50x^{2}
Factor
50\left(2830-x^{2}\right)
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-50x^{2}+141500
Add 1500 and 140000 to get 141500.
50\left(-x^{2}+2830\right)
Factor out 50. Polynomial -x^{2}+2830 is not factored since it does not have any rational roots.
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