Answer:

Step-by-step explanation:
<u>Solving</u>
(Not a required step)




<u>Graphing</u>
The solution is (-2,4) she right both have the same solution because if you solve both of them you will get (-2,4)
Answer:
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Step-by-step explanation:
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Answer:

Step-by-step explanation:
If a real number
is a zero of polynomial function, then

is the factor of this function.
If a complex number
is a xero of the polynomial function, then the complex number
is also a zero of this function and

are two factors of this function.
So, the function of least degree is

If the polynomial function must be with integer coefficients, then it has a form
