Question

What must be added to 3 x square - 2 X + 5 to get 5 x cube minus 3 x

Answer 1

Answer:

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

$5x^{3} - 3x^{2} - x - 5$  is to be added