Answer:
The zeros are

Step-by-step explanation:
We have been given the equation x^4-6x^2-7x-6=0
Use rational root theorem, we have






Again factor using the rational root test, we get

Using the zero product rule, we have

Therefore, the zeros are

Answer:
6am
Step-by-step explanation:
X= 130 degrees since 180 is the total minus 50 from above