Question

factroise x^4+y^4-3x^2y^2​

Answer 1

Answer:

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Answer 2

Answer:

${x}^{4} + {y}^{4} - 3 {x}^{2} {y}^{2}$${x}^{4} + {y}^{4} - 2 {x}^{2} {y}^{2} - {x}^{2} {y}^{2}$$( {x}^{2} )^{2} + ( {y}^{2} )^{2} - 2 {x}^{2} {y}^{2} - {x}^{2} {y}^{2}$$( {x}^{2} - {y}^{2} )^{2} - {xy}^{2}$$( {x}^{2} - {y}^{2} - xy)( {x}^{2} - {y}^{2} + xy)$$= > {a}^{2} - {b}^{2} = (a + b)(a - b)$

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