Question

factorise help please​

Answer 1

${x}^{3}y - xy {}^{3}$

$xy( x {}^{2} - y {}^{2} )$

xy[(x+y)(x-y)]

Using the identity a^2 -b^2 = (a+b)(a-b)

Hope it helps

Please mark it as the brainliest one

Answer 2

Hi mate

x^3 y- xy^3 = xy[x^2 -y^2]. We know that a^2- b^2=( a+b) ( a-b). Then x^3y- xy^3 = xy( x+y) (x-y).