Answer:

Step-by-step explanation:
A quadratic equation is a equation that takes the form: 
Ex. Using our definition of quadratic equations,
,
We can set a = 2, b = 1, c = 6:


Which can then be solved (if you are trying to solve it) as:


Answer:
A
Step-by-step explanation:
56-70+70-21
126-91
35
I don’t see the question.
Answer:
7,3,5,1???
Step-by-step explanation: