Question

7 x minus 9 y ka whole cube
$(7x - 9y)3$
​

Answer 1

Answer:

Hence, this is the answer.

Step-by-step explanation:

We have,

(7X−9Y)

3

⇒(7X)

3

−(9Y)

3

−3×7X×9Y(7X−9Y)

⇒343X

3

−729Y

3

−189XY(7X−9Y)

⇒343X

3

−729Y

3

−1323X

2

Y+1701XY

2

Answer 2

Answer:

(7x-9y)(49x^2+126xy+81y)