Question

9x square y + 12xy square

Answer 1

Answer:

we have

9 x^2y + 12 xy

= 3xy( 3x+ 4)

if it is equal to zero

so . 3xy (3x+4)=0

3x+4=0

X= -4/3

but it has ,. 3xy= 0 so X=y= 0

not possible ,hence it is never be equal to 0.

Answer 2

Step-by-step explanation:

THE ANSWERE IS

$21 {x}^{3} {y}^{3}$