((x^2 +ax +b)/(x^2 +11x +28))
((x^2 +4x -21)/(x^2 -9))= (x+2)/(x+3)
What is a+b=?© BrainMass Inc. brainmass.com March 4, 2021, 5:36 pm ad1c9bdddf
We have to factorize the second degree equations.
(x^2 +11x +28)=(x+7).(x+4)
This shows how to factor polynomial expressions. The constant functions are examined.