Answer:
the answer is 40
Step-by-step explanation:
x+60
x=60-20
x=20
I'd say centimeters, if that's what you're looking for. Maybe 1-2 cm.
The nature of the roots can be determined by the determinant of the equation. The determinant is:
b² - 4ac
If this is positive, there are two roots
If this is 0, there is only one root
If this is negative, there are complex roots
Answer:
b & d
Step-by-step explanation: