The value of the discriminant x2 + 6x + 9 = 0

X=-3

Not sure if you meant finding the ‘x’ but it would be this

Step-by-step explanation:

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.