Solve equation by using the quadratic formula. 25 x squared + 60 x = negative 36 a. x = StartFraction 5 Over 6 EndFraction c. x = negative StartFraction 6 Over 5 EndFraction b. x = StartFraction 6 Over 5 EndFraction d. x = negative StartFraction 5 Over 6 EndFraction Please select the best answer from the choices provided A B C D