Bonjour,
Comme je viens juste de résoudre un problème en anglais:
"Help When I was younger, so much younger than today
I never needed anybody's help in any way ...."
x²+6x+3=4
=>x²+6x-1=0
=>x²+2*3x+3²-1-9=0
=>(x+3)²-10=0
=>(x+3-√10)(x+3+√10)=0
=>x=-3+√10 ou x=-3-√10