Question

Factorizar -6y
$- 6y - 9 + 15x + 10xy$
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Answer 1

Respuesta:

$- 6y - 9 + 15x + 10xy \\ = - 3(2y + 3) + 5x \times (3 + 2y) \\ = - (2y + 3) \times (3 - 5x)$