Answer: b commutative property
Step-by-step explanation: idid the test and i got it right
Answer:
Step-by-step explanation:
Let's start by using distributive multiplication:
So:
Grouping like terms:
Now, is equal to:
In this sense:
In order to satisfied the equality:
Hence, from (1), let's solve for a:
And from (2), let's solve for b:
Let's verify the result evaluating the values of a and b into the original equation:
As you can see, the values satisfy the equation, therefore, we can conclude they are correct.
Answer:
The value of k is 40.
Step-by-step explanation:
I’m pretty sure the complete answer is -10-90i
So the answer would be B= -90