Question

simplify (a+b) (a-b) (a²- b²)​

Answer 1

$(a + b)(a - b)( {a}^{2} - {b}^{2} ) \\ ({a}^{2} - {b}^{2} )( {a}^{2} - {b}^{2} ) \\ {a}^{2}( {a}^{2} - {b}^{2} ) - {b}^{2} ( {a}^{2} - {b}^{2} ) \\ {a}^{4} - {a}^{2} {b}^{2} - {a}^{2} {b}^{2} + {b}^{4} \\ {a}^{4} + {b}^{4} - 2 {a}^{2} {b}^{2}$