Question

using identities , factorise the following (x+y)^2-(x-y)^2
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Answer 1

Answer:

I don't no I not help for you

Answer 2

Answer:

4xy

Step-by-step explanation:

Applying

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

Therefore,

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

$2x \times 2y$

$4xy$

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