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Find the sum of the solutions of this equation 20x^2-39x-80=0
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Oct 28, 2018
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Find the sum of the solutions of this equation 20x^2-39x-80=0
Mathematics
high-school
Muhammad Reda
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Muhammad Reda
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This is 'nice':
The sum of the solutions is the coefficient with 'x', change it sign and divide by the coefficient of x^2:
sum = 39/40.
Runspired
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Nov 4, 2018
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Runspired
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