Question

evaluate 111^3-89^3 please

Answer 1

Answer :

Now, 111³ - 89³

= (111 - 89)³ + (3 × 111 × 89)(111 - 89)

= 22³ + (29637 × 22)

= 10648 + 652014

= 662662

Identity rule :

a³ - b³ = (a - b)³ + 3ab(a - b)

#MarkAsBrainliest

Answer 2

it identy macth  from fromula a³-b³=(a-b)(a²+b²+ab)
so 
111³-89³=(111-89)(111²+89²+111*89)
             =(22)(12321+7921+9879)
             =(22)(30121)
             =662662







i hope thhis will help u 
by DEVANSH