Mathematics, 30.11.2019 03:31, 23gordns

Twenty times a square of a positive integer, plus 50 equals negative 40 times the square of the positive integer, plus one-hundred and ten times the positive integer. which equation could be used to solve for the unknown positive integer.
a) 60x2 + 110x + 50 = 0
b) 60x2 + 110x − 50 = 0
c) 60x2 − 110x + 50 = 0
d) 60x2 − 110x − 50 = 0

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Twenty times a square of a positive integer, plus 50 equals negative 40 times the square of the posi...