Question

If a=4 and b=5, find the value of a3 + b3 - 3a2b + 3ab2.


Plzzzz ans it very quick.

Answer 1

Step-by-step explanation:

(4)3+(5)3-3*(4)2*5+3*4*(5)2

=64+125-240+300

=249

Answer 2

Answer:249

Step-by-step explanation: a=4 b=5 then,=(4)^3 + (5)^3 - 3 (4)^2 (5) + 3(4) (5)^2

64 + 125 - 3 (16) (5) + 3 (4) (25)

189 - 240 + 300

189 - 489

= 249