Question

Help me please I am not sure about the answer

Answer 1

(a)

`{x}^(2) + 2x \\ = x(x + 2)`

(b)

`2 {x}^(2) - 6x \\ = 2x(x - 3)`

(c)

`15x - 10 {x}^(3) \\ = 5x(3 - 2 {x}^(2) )`

(d)

`9 {x}^(2) + 3 {x}^(3) \\ 3 {x}^(2) (3 + x)`