Question

x2 - y2 + 2yz - z2
factorisation ​

Answer 1

Answer:

so ans is (a+b) (a-b) okkkkk

Answer 2

Answer:

$= {x}^{2} - {y}^{2} + 2yz - {z}^{2}$

$= {x}^{2} - ( {y}^{2} - 2yz + {z}^{2} )$

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

$(x +( y - z))(x - (y - z)$

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