Question

3. Check whether 7 + 3x is a factor of 3x3 + 7x.
$1502. \sqrt{ \sqrt{ \frac{ \frac{y \frac{ \frac{?}{?} }{?} }{?} }{?} } } {? \div 2. \times \times \times }^{2}$
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Answer 1

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