Răspuns :

=> prin teorema lui thales ca
3x+2/x = 6x+14/ 2x+3
(3x+2)•(2x+3)= x(6x+14)
6x^2 +9x+4x+6=6x^2 +14x
13x+6=14x
6=14x-13x => x=6
AN= BM+AM=> AB=26
BM=6
AM=18+2=20
AC=AN+NC=> AC=65
AN=36+14=50
NC=12+3=15