Math, asked by saidprathmesh, 7 months ago

(5m + 4n + 2) (5m+4n -2)

Answers

Answered by rubisingh62758

1

Answer:

25m²+40mn+16n²-4

Step-by-step explanation:

(5m+4n)²-(2)²

{(5m)²+2(5m)(4n)+(4n)²}-4

25m²+40mn+16²-4

I hope help you

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