Math help

my teacher assigned us home work that he didnt teach. iv been googling for help for 30 minutes for help, but not even sure what to google lol. the problems are like

9x^2 - 36x + 36 = 4y^2 + 24y + 72
put into standard form

we were learning about hyperbolas and ellipses and i can graph them, but i have no idea how to put this form into standard form, plz help