Question

0. Simplify: (7 + 8n) - (7m - 8n)?​

Answer 1

Step-by-step explanation:

Given, (7m - 8n)^2 + (7m + 8n)^2 .We know, (a - b)^2 = a^2 - 2ab + b^2 and (a + b)^2 = a^2 + 2ab + .Then, (7m - 8n)^2 + (7m + 8n)^2 = [(7m)^2 - 2(7m)(8n) ...

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