Answer:
-7/x
Step-by-step explanation:
first, you combine the terms together to get -7x^-1. you cant have negative exponents in the numerator so you move the x^-1 to the denominator. once it move its becomes positive then.
2i(4+5i)(4-5i) =82i
4+i nothing more can be done it is at simplest form
so

=

so your answer is
What if this !? Tricky answer : explanation
Answer:
Third one C
Step-by-step explanation: