SOLUTION: 2x^2-4y^2-12y=18

Algebra.Com
Question 753943: 2x^2-4y^2-12y=18
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!


Start this way:


Prepare to Complete the Square on the y:

The term to complete the square is


which gives you something factorable on the left side...
...
Can you finish from there?

RELATED QUESTIONS

3x-4y=2... (answered by checkley79)
12y^2+4y+15y+5 (answered by Alan3354)
solve the following systems of linear equation by graphing 1. x=y=6 xy=6... (answered by ikleyn)
Solve: 4y^2 + 12y + 9 =... (answered by checkley77)
-x+4y=-11 2x+4y=-2 (answered by jim_thompson5910)
-x+4y=-11 2x+4y=-2 (answered by checkley77)
what is center and endpoints of major and minor axis and foci 2x^2 + 4y^2 + 4x - 12y = (answered by stanbon)
y^2+4y+2x=0 (answered by Alan3354)
Select the best possible first step to solving the system by first eliminating the x... (answered by mananth)