(4х-3)2+(3х+2)2=47-3х

Question

(4х-3)2+(3х+2)2=47-3х

Answer 1

(4х-3)^2+(3х+2)^2=47-3х
4^2х^2-3^2+3^2х^2+2^2=47-3х
16-9+9+2х^2+х^2= 47-3х
18х^2+х^2= 47-3х
3х^2=47-3-18
3х^2=27
Х^2=9
Х=3