Multiply
$(5 - 2 x)$ and $(3 + x)$

15 - x + {2 x}^{2}

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15 - x - x^{2}

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15 - x - {2 x}^{2}

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15 - x + x^{2}

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Solution

The correct option is C $15 - x - {2 x}^{2}$
$(5 - 2 x) \times (3 + x)$
$= 5 (3 + x) - 2 x (3 + x)$
$= 15 + 5 x - 6 x - 2 x^{2}$
$= 15 - x - 2 x^{2}$

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