<span>a resposta é 18. Espero ter ajudado .</span>
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Answer:
x = (ab +a +b +c)/(a +b)
Step-by-step explanation:
Eliminate parentheses, subtract left terms not containing x, divide by the coefficient of x.

Hello!
For this you can plug in the x values in the choices and see if you get the y value
y =

-4^3 is -64
when you subtract a negative you are just adding
-64 + 4 = 60
Then you do the second one

-3^3 is -27
-27 + 3 is -24
Then the third one

-2^3 is -8
-8 + 2 is -6
Then the last one

-1^3 is -1
-1 + 1 = 0
Since we did not get -2 the answer is D
Hope this Helps!
Answer:

Step-by-step explanation:
The given polynomial function is

According to the Rational Roots Theorem, the ratio of all factors of the constant term expressed over the factors of the leading coefficient.
The potential rational roots are




Answer is B. Bc it's 72/12 =.5