Question

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

Answer 1

Answer:

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