Question

please solve this
I will be please

Answer 1

Answer:

I think it's revision

And you should do it yourself

Answer 2

A)

$9 {x}^{2} + 6xy + {y}^{2} \\ {(3x)}^{2} + 2(3x)y + {y}^{2} \\ {(3x + y)}^{2}$

B)

$64 {m}^{2} - 343 {m}^{2}$

${4m}^{3} - {7m}^{3}$