Répondre :
x(x-5)+3=x²-5x+3=(x-5/2)²+3-25/4=(x-5/2)²-13/4
h(x)=(x-5/2+V13/2)(x-5/2-V13/2)=0 solutions (5-V13)/2 et(5+V13)/2
x(x-5)+3=x²-5x+3=(x-5/2)²+3-25/4=(x-5/2)²-13/4
h(x)=(x-5/2+V13/2)(x-5/2-V13/2)=0 solutions (5-V13)/2 et(5+V13)/2