What is 1-(m+n)² ? (with proper steps please)​

Question

What is 1-(m+n)² ?
(with proper steps please)​

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Eva 16 mins 2021-11-23T08:29:20+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-11-23T08:30:36+00:00

    Answer:

    1 -  {m}^{2}  + 2mn +  {n}^{2}

    0
    2021-11-23T08:30:38+00:00

    Answer:

    1-(m^2+n^2+2mn)

    =1-m^2-n^2-2mn

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