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Simplify. (7m – 8n)^2 + (7m + 8n)^2 Simplify. (7m – 8n)^2 + (7m + 8n)^2

Simplify. 
(7m – 8n)^2 + (7m + 8n)^2
Simplify. 
(7m – 8n)^2 + (7m + 8n)^2

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
one year ago
Dear Student

(7m – 8n)^2 + (7m + 8n)^2
= 49m^2- 112mn + 64n^2+ 49m^2+ 112mn + 49n^2
= 98m^2+ 128n^2

Thanks

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