5х²-9х-2=0
х=(9±√(81+40))/10; х=2, х=-1/5
5х²-9х-2=(5х+1)*(х-2)
(5х²-9х-2)/(3*(х-2))=(5х+1)*(х-2)/(3*(х-2))=(5х+1)/3
подставим два. получим (5*2+1)/3=11/3= 3 2/3
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
5х²-9х-2=0
х=(9±√(81+40))/10; х=2, х=-1/5
5х²-9х-2=(5х+1)*(х-2)
(5х²-9х-2)/(3*(х-2))=(5х+1)*(х-2)/(3*(х-2))=(5х+1)/3
подставим два. получим (5*2+1)/3=11/3= 3 2/3