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

c

Step-by-step explanation:

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

mark branliest

step-by-step explanation:

.6 is 1/2 of 12

the answer is actually d. i just took the test