Factor by using the rational roots test, and find that -2 is a root.
Replace X with -2 and simplify each term.
Divide the polynomial by (x+2)
The final answer becomes x = -2 and x = -1/2 +/-√3/2i
The first choice is the correct one.
Answer:
5
Step-by-step explanation:
dont really understand why you answered your own question?
2.8a^2=55
a^2=55/2.8
a= square root of 55/2.8
Answer:
90
Step-by-step explanation:
100%-10%=90%
90%->81
10%->9
100%->9+81=90
The answer would be -26
-(-4)^2-10
-4 squared is 16 times -1 is -16
-16-10
-26
