Question

(a²+b²)(-a²+b²) solve using identities
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Answer 1

Answer:

$( {b}^{4} - {a}^{4} ) \:$

Step-by-step explanation:

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

$= ( {b}^{4} - {a}^{4} )$

using identity

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