Problem

$(x+3)^{2}=$

Answer

Expert–verified
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Answer

\(\boxed{x^2 + 6x + 9}\)

Steps

Step 1 ：Expand the given expression: $(x+3)^{2} = (x+3)(x+3)$

Step 2 ：Apply the distributive property: $(x+3)(x+3) = x^2 + 3x + 3x + 9$

Step 3 ：Combine like terms: $x^2 + 3x + 3x + 9 = x^2 + 6x + 9$

Step 4 ：\(\boxed{x^2 + 6x + 9}\)

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