Answer:
Each year the machinery loses a value of 4500.
Step-by-step explanation:
Substitute the value of the variable into the equation and simplify.
There for your answer is 10
Answer:
A
Step-by-step explanation:
Answer:
(2x-4i) (x+2i)
Step-by-step explanation:
2x^2+8
Factor out 2
2 ( x^2+4)
Writing as the difference of squares a^2 -b^2 = (a-b) (a+b)
2 ( x^2 -(2i)^2)
2 ( x-2i) (x+2i)
Multiplying the 2 into the first term
(2x-4i) (x+2i)