Question

35.2(3)и 35.3(3) решите пожалуйста

Answer 1

35.2(3)
(3,1n³ - 5m)² + (5m - 3,1n³)(5m + 3,1n³) = 9,61n⁶ - 31mn³ + 25m² + 25m² -
- 9,61n⁶ = 50m² - 31mn³

35.3(3)
0,512t³ - 100 + (0,8t + 5)(0,64t² - 4t + 25) = 0,512t³ - 100 + (0,8t)³ + 5³ =
= 0,512t³ - 100 + 0,512t³ + 125 = 1,024t³ + 25