Question

evaluate (5m+2)² solve in full answer​

Answer 1

Answer:

$( {(5m + 2)}^{2} ) \\ = {(5m)}^{2} + {2}^{2} + 2 \times 5m \times 2 \\ = 25 {m}^{2} + 4 + 20m \\ 25 {m}^{2} + 20m + 4$

Answer 2

25m²+20mn+4n.

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Evaluate:

(5m+2n)²

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(5m+2n)²

• Using identity (a+b)² = a²+2ab+b²

Now,

(5m+2n)²

=> (5m)²+2(5m)(2n)+(2n)²

=> 25m²+20mn+4n² Ans.

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