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4 July, 02:09

Which is equivalent to (negative 2 m + 5 n) squared, and what type of special product is it?

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  1. 4 July, 04:18
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    4 m squared minus 20 m n + 25 n squared; a perfect square trinomial

    Step-by-step explanation:

    Given expression,

    (negative 2 m + 5 n) squared

    By using (a+b) ² = a² + 2ab + b²,

    ∵ A trinomial which is the square of a binomial is called a perfect square trinomial.

    Thus, is a perfect square trinomial.
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