Answers

2015-07-07T20:39:43+08:00
(x+2)^2
Square the first term (x) = x^2
Multiply the first and second terms, then multiply their product by 2 (x times 2 = 2x, 2x times 2 = 4x)
Square the last term 2^2 = 4

Answer: x^2 + 4x + 4

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