(8-3x)2-(x-6)(6+x)+44x при x=-5

Question

(8-3x)2-(x-6)(6+x)+44x при x=-5

Answer 1

16 - 6x - x² + 36 + 44x = -x² + 38x + 52
x² - 38x - 52; при x = -5
25 + 38*5 - 52 = 25 + 190 - 52 = 163