To rewrite the expression \(2(x+1)(x+2)\), we can first expand the expression inside the parentheses and then distribute the 2.
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First, expand \((x+1)(x+2)\): \[ (x + 1)(x + 2) = x^2 + 2x + x + 2 = x^2 + 3x + 2. \]
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Now, multiply by 2: \[ 2(x^2 + 3x + 2) = 2x^2 + 6x + 4. \]
So, the expression \(2(x+1)(x+2)\) can be rewritten as \(2x^2 + 6x + 4\).
Among the provided responses, the correct one is: 2x² + 6x + 4.