Question

please solve this the correct first answer will be the brainliest ​

Answer 1

Answer:

48 is the correct answer

Answer 2

Answer:

(a+b) whole cube=a cube+b cube+c

cube +3abc(a+b)

Step-by-step explanation:

here given question according to the above formula

here 7x=a and 9=b

let's solve (7x+9)whole cube

=7xcube+9cube+3×7x ×9(7x+9)

=7x ×7x ×7x +9×9×9+189x(7x+9)

=343x cube +729+189x ×7x +189x ×9

=343xcube+729+1323x sq+1701, it's a answer

I hope my answer help you