s=₋₂¹∫y=(8-0.5x²)dx= ₋₂¹∫y=(8x-x³/6)dx=₋₂¹|8-1/6+16+8/6 = 25 1/6
(x-5)^2+2x(x-3)
х2-10х+25+2х-6х
3х2-16х+25