Answer:
The standard form of the quadratic equation is 
Step-by-step explanation:
we know that
The standard form of a quadratic equation is

we have

convert to standard form

n - 7 = 21, n= 28 should be right bc the difference of 28 and 7 is 21
Answer:
22-9=16
so,
22-9
is 16
then you would take
16=16
so, you would have to divide the 2 numbers
then 1 is your answer
Step-by-step explanation:
Answer:
the degree of the polynomial is 5