Question

问两道数学题(关于分式的约分)（1）x平方+4x+3/x平方+x-6（2）x平方+4x-5/x平方-3x+2

Answer 1

（X²+4X+3）/X²+X-6=（X+1)(X+3)/(X+3)(X-2)=(X+1)/(X-2)

(X²+4X-5)/(X²-3X+2)=(X+5)(X-1)/(X-1)(X-2)=(X+5)/(X-2)