Current time:0:00Total duration:4:51

0 energy points

# Worked example: quadratic formula (negative coefficients)

Sal solves -3x^2+10x-3=0 by plugging a=-3, b=10, c=-3 in the quadratic formula. Then he multiplies everything by -1 and solves again. The results are the same! Created by Sal Khan and Monterey Institute for Technology and Education.