Answer:
Step-by-step explanation:
T think its the 3rd option down
Not sure but think A=1, X=2, Y=3.If this is for a grade try to work it out some but these numbers work when they sre plugged in where they sre sippose to be.
In general the binomial expansion is

So in our case, because we want ascending powers of x we'll write,

We need to calculate the binomial coefficients:






Answer:
x = 5
Step-by-step explanation:
i will insert an image of my work below