Question

(x+y)*(x-y(*)x²+y²) please tell using identities step by step

Answer 1

Identity used is,
$(a+b)(a-b) = a^{2}-b^{2}$
$(x + y)( x - y)( {x}^{2} + {y}^{2} ) \\ = ( {x}^{2} - {y}^{2} )( {x}^{2} + {y}^{2} ) \\ = {x}^{4} - {y}^{4}$
Hope it helps and mark as brainelist

Answer 2

here is ur answer mate