Answer:



Step-by-step explanation:
We want to select all the terms that are not considered to be like terms with
.
The terms that are like terms with
must have
.
It doesn't matter the coefficient.
So we can easily see that all the following are not like terms with
:



The answer is 2x-5 (I hope that's what you meant)
Answer: c
Step-by-step explanation: yeah
Answer:
Perimeter: 52 Area: 181-16i?
Step-by-step explanation:
<u>Perimeter</u>
The formula for perimeter is 2l+2w, so you plug in the binomials they give you:
2(11-4i)+2(15+4i)
expand:
22-8i+30+8i
combine like terms (which cancels out 8i and -8i):
22+30=52
<u>Area</u>
"i" is not a real number and thus should not be part of the area here, meaning this answer as it is is wrong and I don't know how one would change that.
Here's what I did to get 181-16i, in any case:
The formula for area is l*w, so I plugged in the numbers:
(11-4i)(15+4i)
expanded:
165+44i-60i-16i*i
and combined like terms:
181-16i
*i is
, so
=-1 and -1*-16=16.