Question

Please give correct answer with explanation for brainliest answer ​

Answer 1

Step-by-step explanation:

⇒a

2

−b

2

−4c

2

+4d

2

−4(ad−bc)

⇒a

2

−b

2

−4c

2

+4d

2

−4ad+4bc

⇒(a

2

−4ad+4d

2

)−(b

2

−4bc+4c

2

)

∵(x−y)

2

=x

2

−2xy+y

2

⇒(a−2d)

2

−(b−2c)

2

∵x

2

−y

2

=(x+y)(x−y)

⇒(a−2d+b−2c)(a−2d−b+2c)

Answer 2

Step-by-step explanation:

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