Question

(x+15y)×(3x-4+y)
Ajuda por favor

Answer 1

$(x + 15y) \times (3x - 4 + y)$

$x \times (3x - 4 + y) + 15y \times (3x - 4 + y)$

${3x}^{2} - 4x + xy + 45xy - 60y + {15y}^{2}$

${3x}^{2} - 4x + 46xy - 60y + {15y}^{2}$