1=1-m;
b2=m²-3
b1+b2=0
1-m+m²-3=0
(m-2)(m+1)=0
m1=2,m2=-1
m=2:
y₁=﹙m²-2﹚x+1-m=﹙2²-2﹚x+1-2=2x-1;
y₂=﹙m²-4﹚x+m²-3=﹙2²-4﹚x+2²-3=1;
m=-1,
y₁=﹙m²-2﹚x+1-m=﹙1-2﹚x+1+1=-x+2;
y₂=﹙m²-4﹚x+m²-3=﹙1-4﹚x+1-3=-3x-2;
1=1-m;
b2=m²-3
b1+b2=0
1-m+m²-3=0
(m-2)(m+1)=0
m1=2,m2=-1
m=2:
y₁=﹙m²-2﹚x+1-m=﹙2²-2﹚x+1-2=2x-1;
y₂=﹙m²-4﹚x+m²-3=﹙2²-4﹚x+2²-3=1;
m=-1,
y₁=﹙m²-2﹚x+1-m=﹙1-2﹚x+1+1=-x+2;
y₂=﹙m²-4﹚x+m²-3=﹙1-4﹚x+1-3=-3x-2;