What are the exact solutions of x2 - 3x - 1 = 0?

Step-by-step explanation:

the equation is:

you have a quadratic equation of the form:

where

this can be solved using the general formula:

substituting all the known values:

one value for x will be found using the plus sign before the square root:

and the other will be found using the negative sign before the square root:

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.

it would take 5 hours i think idk i'm not that good at math.can you me with my questions i need asap.