( 2x+1 ) ( X- 2) (x+5)
2x³-2x² - 3x⁵
3 * 3 - 3 / 3 + 3
interpolution every 10
200-197
400-409
600-613
800-814
1000-1026
interpolution every 10 value (for example 200,210,220)
$\pi$
3*3-3/3+3
8d+7=79
40+2y/150 =91