Respuesta :

Answer:

Step-by-step explanation:

90(n-98)²=90(97-98)²=90(-1)²=90*1=90

n=97

Answer:

90

Step-by-step explanation:

90(97−98)2

=90*(−1)2

=90*((−1)*(−1))

=90

90(97−98)2

=90(−1)2

=(90)(1)

=90