If (a-b) = 5 and ab= 150, then what is the value of (a3-b3)?

2640 1125 2375 2250

2375

If (a-b) = 5 and ab= 150 Then,  ( a - b )2 = a2 + b2 - 2ab (5)2 = a2 + b2 - 2 × 150  a2 + b2  = 325 a3 - b3 = ( a - b ) ( a2 + b2 + ab ) a3 - b3 = ( 5 ) ( 325 + 150 ) a3 - b3 = 2375