Question

(3x-7y)cube +(3x+7y)cube​

Answer 1

Answer:

4

Step-by-step explanation:

let x be 2&y be y

(3*2-7*3)^3+(3*2+7)^3

(6-21)^3+(6+21)^3

(-15)^3+(27)^3

-5+9

=4

Answer 2

Answer:

-0

Step-by-step explanation:

(3x-7)³+(3x-7)³

(27x-343)+(27x-343)

(27x-27x) + (-343+343)

0+-0

=-0