Respuesta :
Answer:
-(1+x-y)(x-y-1)
Step-by-step explanation:
since both terms are perfect squares, factor using the difference of squares formula
a2 - b2 = (a+b) (a-b) where a = 1 and b= x-y
-(1+x-y)(x-y-1)
Answer:
-(1+x-y)(x-y-1)
Step-by-step explanation:
since both terms are perfect squares, factor using the difference of squares formula
a2 - b2 = (a+b) (a-b) where a = 1 and b= x-y
-(1+x-y)(x-y-1)