Graph x to the power of two plus y to the power of two plus eighteen x minus four y plus seventy minus six equals zero

Graph x^2+y^2+18x-4y+76=0
Subtract from both sides of the equation.
Complete the square for .
Consider the form, to find the values of , , and .
Consider the vertex form of a parabola.
Replace the values of and into the formula .
The common factor should be canceled of and .
Factor out of .
The common factors should be canceled.
Factor out of .
Cancel the common factor.
Reformulate the expression.
First, divide by .
Find the value of using the formula .
Clarify each term.
Raise to the power of .
First, multiply by .
Divide by .
Multiply by .
Subtract from .
Substitute the values of , , and into the vertex form .
Substitute for in the equation .
Move to the right side of the equation by adding to both sides.
Complete the square for .
Use the form , to find the values of , , and .
Consider the vertex form of a parabola.
Substitute the values of and into the formula .
Clarify the right side.
The common factor should be canceled and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Should be rewritten the expression.
Divide by .
Multiply by .
Find the value of using the formula .
Clarify each term.
Cancel the common factor of and .
Rewrite as .
Apply the product rule to .
Raise to the power of .
Multiply by .
Factor out of .
Cancel the common factors.
Cancel the common factor.
Rewrite the expression.
Divide by .
Multiply by .
Subtract from .
Substitute the values of , , and into the vertex form .
Substitute for in the equation .
Move to the right side of the equation by adding to both sides.
Simplify .