Question

5m - 7 whole square​

Answer 1

Answer:

(5m-7)²

5m² + 49 - 70m

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Answer 2

[HeY Mate]

Answer:

Using Identity:

$(x + y) {}^{2} = x {}^{2} + y {}^{2} + 2xy$

Solution:

$= > (5m - 7) {}^{2} \\ = > (5m) {}^{2} + (7) {}^{2} - 2(5m)(7) \\ = > 25m {}^{2} + 49 - 70m$

I Hope It Helps You✌️