Let's puteverythingonthewildside B squaredminus a B minus.
A squaredisequaltozero.
Allright.
Anymathematicianlookingatthissaysthisis a homogeneousequation.
I candomiracleswithit.
Inotherwords, whichisdividedby a squaredandseewhatthatwouldgiveus.
She'llbesquaredover a squaredminus.
Now, oneofthosedayswillcancelbeover a minusonecause a squareddividedby a squaredtoswan.
Andthatzerowell, hereistheratiothatwewereinterestedinbeover A.
If I writethisratioas X, weendupwith a quadraticequation, andwhenwesolveit, usingthequadraticformula, wegetoneplusorminusonesquared, plusfourtimesonedividedbytwooroneplusorminussquarewiththefivedividedbite, youwait.