Factor the expression over the complex numbers.

Here we are given the expression:

Now let us equate it to zero to find x first,

Now subtracting 18 from the other side,

taking square root on both sides,

So we will get two values of x as ,

Now we can write square root -1 as i,

So our factors become,

The final factored form becomes,

Step-by-step explanation:

1. You must apply the Quadratic formula, which is:

2. Substitute values:

3. Finally, you obtain:

a: 1/6, j: 1/4

step-by-step explanation: you are welcome

guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation: