Factorize by factorisation method $15 x^{5} y^{2} + 3 x^{3} y + 19$

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Solution

To factorize by common factor method, we need to take out the common factor from each term of the expression.
$15 x^{5} y^{2} + 3 x^{3} y + 19 = 5 \times 3 \times x^{5} \times y^{2} + 3 \times x^{3} \times y + 19 = 3 x^{3} y (5 x^{2} y + 1) + 19$

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