Question

初二解不等式和分式方程2/(X-1)+2≥-X (X-4)/1=(X²-16)/4

Answer 1

(X-4)/1=(-16)/4

4X-16=X²-16

X=4&X=0

2/(X-1)+2≥-X

2/(X-1)≥-X-2

X+2≥-2/(X-1)

(X+2)*(X-1)≥-2

X²+X-2≥-2

X(X+1)≥0

X≥0&x≤-1