Question

$( x^{3} +2 x^{2} +x+5)-(-5 x^{2} +3)+(-2 x^{3} -3 x)$

Answer 1

x³ - 2x³ + 2x² + 5x² + x - 3x + 5 - 3 

 - x³ + 7x² - 2x + 2