Question

X^3 + 13x² + 1 + 12x - X³ + 3x - X² =​

Answer 1

Respuesta:

${x}^{3} + 13 {x}^{2} + 1 + 12x - {x}^{3} + 3x - {x}^{2} = ( {x}^{3} - {x}^{3} ) + (13 {x}^{2} - {x}^{2} ) + (12x + 3x) + 1 = 12 {x}^{2} + 15x + 1$