Let d=discriminant. The the rule is:
d>0, there are two real solutions
d=0, there is one real solution
d<0, there is no real solutions (but there are two imaginary solutions)
So if it is positive, there are two real solutions.
Answer:
=20
Step-by-step explanation:
in pic
(hope this helps can I pls have brainlist (crown) ☺️)
Answer:
161
Step-by-step explanation: