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Question

Given (a) x (b) = a^2 + 2ab + b^2, what is the value of (a) x (b) when a = 3 and b = 5?

Accepted Answer

Note that (a) x (b) = a^2 + 2ab + b^2 = (a + b)^2. Thus, (3) x (5) = (3 + 5)^2 = 64.