Question

Help me please I am not sure about the answer

Answer 1

Answer:

(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)

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