The quadratic formula for ax2+bx+c=0 is given by x=−b±√b2−4ac2a. a=4,b=−5,c=0. ∴x=−(−5)±√(−5)2−4(4)(0)2(4) x=5±√258. x=5±58⇒x=0orx=108=54.
