Answer:
196
Step-by-step explanation:
The discriminant (Δ) is given by:

Where the polynomial is in the form:

In this problem, a = 1, b = 0, and c = -49. Thus, plugging it into the formula:

Thus, the discriminant of x² – 49 = 0 is 196.
Since there is no info on how many salads were sold all together it would have to be 12. That is all the info you could give us..sorry if that doesnt help :(
Answer:
x=6
Step-by-step explanation:
x+3=9
x+3-3=9-3
x=6