Thread: Completing the square

1. Completing the square

25x^2-100x+4y^2=0

Ok I dont really know how to start out, I can complete the square with one variable just two variables throw me off.

2. Re: Completing the square

Originally Posted by salgadoguelmi
25x^2-100x+4y^2=0

Ok I dont really know how to start out, I can complete the square with one variable just two variables throw me off.

$\displaystyle 25x^2-100x+4y^2=25(x-2)^2+4y^2=100$