Question

(5х-10)(2+х)-3(х-3)=5х(х-1)

Answer 1

(5х-10)(2+х)-3(х-3)=5х(х-1)

10х+5х²-20-10х-3х+9-5х²+5х=0

2х-11=0

2х=11

х=11/2

х=5,5