Question

Aflati m apartine R pt care x=3 din ecuatia :
(3x-11) la patrat +(x+m)la patrat =mx +11
Ajutor!!!❤

Answer 1

(3*3-11)²+(3+m)²=3m+11
(-2)²+9+6m+m²=3m+11
4+9+6m+m²=3m+11
13-11+6m-3m+m²=0
m²+3m+2=0
m²+2m+m+2=0
m(m+2) +m+2=0
(m+2) (m+1)=0
m1=-2
m2=-1