Question

Factorice : a³-a²+2ab-2a²b-b²+ab²

Answer 1

a³-a² + 2ab-2a²b - b²+ab²

$a^{2} (a-1) -2ab(-1+a) + b^{2}( -1+a)$

$(a-1)(a^{2} -2ab + b^{2} )$

$(a-1)(a-b)^{2}$