(via imgTumble)
let 2a hang low with the negative b , plus or minus square root, b squared minus 4 a c , if you practice that quadratics...
^^^ OH MY GOD WHY COULDNT I HAVE BEEN TAUGHT THAT. I JUST HAD TO REMEMBER THE DAMN SHIT. god now i just want to go back...
stupid shit I learned and won’t need in life
ha i just learned this :O
quadratic formula