Mathematics, 24.10.2019 13:43, helpmepeeeeease

Which is equivalent to (−2m + 5n)², and what type of special product is it?
a. 4m² + 25n²; a perfect square trinomial
b. 4m² + 25n²; the difference of squares
c. 4m² − 20mn + 25n²; a perfect square trinomial
d. 4m² − 20mn + 25n²; the difference of squares

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Which is equivalent to (−2m + 5n)², and what type of special product is it?
a. 4m² + 25n²; a...