Then we can identify that here a 1 b 2 a1 b-2 a 1 b 2 and c 4 4 c-44 c 4 4. Axbyc ax by c so rearrange if needed. Thats the quadratic formula.
X 6 16 10.
The History Behind The Quadratic Formula Sep 11 2017 For those students in high school and even some younger we are familiar with the quadratic formula the opposite of b plus or minus the square root of b squared minus 4ac all divided by 2a. Divide both sides by 3 Solving quadratics by factorising when a 1. X 6 4 10. Begin aligned4x 3y 14 5x7y 11 end aligned 4x 3y 5x 7y.