This is not a homework problem so feel free to answer its just guessing thing! if you get it right your like a super legend because only 2% got it right.

5+3+2=151022
9+2+4=183652
8+6+3=482466
5+4+5=202541
then
7=2+5=
it took me a year to finally get this!

Here, First two number represents Product of first two numbers in L.H.S.
For example, 5 * 3 = 15
Or 9 * 2 = 18

Now, second two numbers represent product of 1st & 3rd number, 
For example, 5 * 2 = 10
Or 9 * 4 = 36

Now, Last two numbers represent Sum of 4 digit-number minus middle number.

So, 7 + 2 + 5 = 143547

In short, Your Final Answer would be: 143547

Hope this helps!

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*