8х²-3/5-5-9х²/4=2 решите пж уравнение

64-3/5-5-9x^2/4=259-3/5-9x^2/4=259-3/2-9x^2/4=25*59-3/5-9x^2/4=2295-3/5-9x^2/4=2292/5-9x^2/4=2292-9/4x^2=2-9/4x2=2-292/5-9/4x^2=5*2-292/5-9/4x^2=10-292/5-9/4x^2=-282/5x^2=-282/5/(-9/4)x^2=-282/5*(-4/9)x^2=-94/5*(-4/3)x^2=94/5*4/3x^2=944/5*3x^2=376/15