Question

factor of (a³ - b³) - (a - b)³​

Answer 1

$\sf \small(a³ - b³) - (a - b)³$

$\sf \small a³ - b³ - a^{3} - b³ - 3ab(a - b)$

$\sf \small - 3ab(a - b)$

$\sf \small \: So \: the \: answer \: is -3ab(a-b)$

Answer 2

Answer:

$( {a }^{3 } - {b}^{3} ) - ( {a}^{3} - {b}^{3} - 3 {a}^{2} b + 3a {b}^{2}$

=

${a}^{3} - {a}^{3} - {b }^{3} - {b}^{3} + 3 {a}^{2} b - 3a {b}^{2}$

=

$3 {a}^{2} b - 3a {b}^{2}$

=

$3ab(a - b)$

Step-by-step explanation:

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