Number 21 just square root it and just for 22 and just expont 625 hoped this help if I could get brainlist that would be greatly appreciated
Answer:
The required equation is .
Step-by-step explanation:
If a quadratic equation is , then the quadratic formula is
The given quadratic equation is
Here, a=1, b=-9 and c=-20.
Substitute a=1, b=-9 and c=-20 in the above quadratic formula.
Therefore the required equation is .