Question

$x^{3}+3x^{2}-5x+7-2x^{3}+4x^{2}-5$

Answer 1

Explicación:

${x}^{3} + {3x}^{2} - 5x + 7 - {2x}^{3} + {4x}^{2} - 5$

${x}^{3} - 2 {x}^{3} + {3x}^{2} + 4 {x}^{2} - 5x + 7 - 5$

$- {x}^{3} + 7 {x}^{2} - 5x + 2$