Question

solve this I don't understand

Answer 1

the answer of this question is

Answer 2

Hey there!

(1)
$x {}^{2} - x = x \: ( x - 1 )$

(2)
$8x {}^{3} + 4x {}^{2} = (4x {}^{2} )(2x + 1)$

(3)
$3a {}^{2} - 6 = 3(a {}^{2} - 2)$


(4)
$xy - xz = x(y - z)$

Glad if helped