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