Answer:
d
Step-by-step explanation:
trust me gang
26 x 72 = 1872
40 + 420 + 12 = 472
1872 - 472 = 1400 (the answer)
I assume the equation is

then let
.


The right side is real-valued and positive, and only on the left side do we have an imaginary term, which tells us

Then




but again we omit the negative solution, so that

Any number to the 0th power equals to 1. Nature of number doesn't matter.
In short, Your Answer would be Option C
Hope this helps!
You have to distribute. i think the answer is 10x^4+65X^3-25X^2