Question 353174
Hi,

{{{2x^2-20x+50-18y^2=0}}}
.
Rearrange to begin:
{{{2x^2-20x+50=18y^2}}}
.
{{{2(x^2-10x+25) = 18y^2}}}
.
factor
{{{2(x-5)(x-5)= 18y^2}}}

.
{{{2(x-5)^2 = 18y^2}}}
.
{{{sqrt(2)(x-5)= 3*sqrt(2)*y}}}

{{{sqrt(2)((x-5) - 3y) = 0}}}