31JUL2021

A    =     3x⁴ – 9x³ +5x² – 11

B    =     10x³ – 6x² + 24

C    =     B – A

=     (10x³ – 6x² + 24) – (3x⁴ – 9x³ +5x² – 11)

=     10x³ – 6x² + 24 – 3x⁴ + 9x³ – 5x² + 11

=     – 3x⁴ + 19x³ – 11x² + 35

ORDER DOESN’T MATTER IN ADDITION

-2-3=-5

-3-2=-5

2-3=-1

2 steps right, 3 steps left

-3+2=-1

3 steps left, 2 steps right