X²-8x
factor out x
x(x-8)
y=x(x-8)
It is A, 60° because 180° (degree of the whole triangle) divided by the three angles is 60.

But x must be a natural number, so the answer is

.
2(x + 6) is what you’re looking for. Have a good day!
Well, you could have 2 numbers to get 25 but it is impossible to get 8 unless you divided by a random number