Х^2-8х+16 делить ** х^2-х-12 =0

Question

Х^2-8х+16 делить на х^2-х-12 =0

Answer 1

(х^2-8х+16)/(х^2-х-12) =0 
(x-4)^2 / (x-4)(x+3) = 
(x-4)/(x+3)=0
x=4
x не равен -3