Найдите значение выражения (4x - 15)(4x + 15) - 16x² - 3x - 26 при x = 110 (8x - 8)(8x + 8) - 64x² + 4x - 47 при x = 150 (9x - 8)(9x + 8) - 81x² - 4x + 32 при x = 70 (3x - 16)(3x + 16 ) - 9x² - 8 при x = 70 (7x - 13)(7x + 13) - 49x² - 6x - 29 при x = 100 (9x - 12)(9x + 12) - 81x² - 7x + 44 при x = 70 (2x - 20)(2x + 20) - 4x² - 10x - 21 при x = 120 (7x - 12)(7x + 12) - 49x² + 7x - 21 при x = 80 (5x - 14)(5x + 14) - 25x² - 8 при x = 110 (4x - 5)(4x + 5) - 16x² + 8x - 48 при x = 120 (8x - 16)(8x + 16) - 64x² - 3x + 2 при x =120 (7x - 7)(7x + 7) - 49x² + 3x - 25 при x = 130 (2x - 11)(2x + 11) - 4x² - 2x + 35 при x = 110 (7x - 7)(7x + 7) - 49x² - 2x + 15 при x = 120 (4x - 5)(4x + 5) - 16x² + 33 при x = 60 (5x - 10)(5x + 10) - 25x² + 5x - 36 при x = 60 (4x - 7)(4x + 7) - 16x² + 10x - 36 при x = 70

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вопрос

Подставим заданные значения x в выражения:

1) (4110 - 15)(4110 + 15) - 16110² - 3110 - 26 = (440 - 15)(440 + 15) - 16*12100 - 330 - 26 = (425)(455) - 193600 - 330 - 26 = 192875 - 193956 = -1081

2) (8150 - 8)(8150 + 8) - 64150² + 4150 - 47 = (1200 - 8)(1200 + 8) - 64*22500 + 600 - 47 = (1192)(1208) - 1440000 + 600 - 47 = 1440576 - 1440047 = 529

3) (970 - 8)(970 + 8) - 8170² - 470 + 32 = (630 - 8)(630 + 8) - 81*4900 - 280 + 32 = (622)(638) - 396900 - 280 + 32 = 396296 - 396148 = 148

4) (370 - 16)(370 + 16 ) - 970² - 8 = (210 - 16)(210 + 16) - 94900 - 8 = (194)(226) - 44100 - 8 = 43844 - 44108 = -264

5) (7100 - 13)(7100 + 13) - 49100² - 6100 - 29 = (700 - 13)(700 + 13) - 490000 - 600 - 29 = (687)(713) - 490000 - 600 - 29 = 490131 - 490629 = -498

6) (970 - 12)(970 + 12) - 8170² - 770 + 44 = (630 - 12)(630 + 12) - 81*4900 - 490 + 44 = (618)(642) - 396900 - 490 + 44 = 396636 - 397346 = -710

7) (2120 - 20)(2120 + 20) - 4120² - 10120 - 21 = (240 - 20)(240 + 20) - 57600 - 1200 - 21 = (220)(260) - 57600 - 1200 - 21 = 57200 - 58821 = -1621

8) (780 - 12)(780 + 12) - 4980² + 780 - 21 = (560 - 12)(560 + 12) - 49*6400 + 560 - 21 = (548)(572) - 313600 - 560 - 21 = 313856 - 314181 = -325

9) (5110 - 14)(5110 + 14) - 25*110² - 8 = (550 - 14)(550 + 14) - 27500 - 8 = (536)(564) - 27500 - 8 = 302304 - 27508 = 274796

10) (4120 - 5)(4120 + 5) - 16120² + 8120 - 48 = (480 - 5)(480 + 5) - 16*14400 + 960 - 48 = (475)(485) - 230400 - 960 - 48 = 230375 - 231408 = -1033

11) (8120 - 16)(8120 + 16) - 64120² - 3120 + 2 = (960 - 16)(960 + 16) - 64*14400 - 360 + 2 = (944)(976) - 921600 - 360 + 2 = 921344 - 921942 = -598

12) (7130 - 7)(7130 + 7) - 49130² + 3130 - 25 = (910 - 7)(910 + 7) - 49*16900 + 390 - 25 = (903)(917) - 83300 + 390 - 25 = 826551 - 83695 = 740856

13) (2110 - 11)(2110 + 11) - 4110² - 2110 + 35 = (220 - 11)(220 + 11) - 4400 - 220 + 35 = (209)(231) - 4400 - 220 + 35 = 48379 - 4585 = 43794

14) (7120 - 7)(7120 + 7) - 49120² - 2120 + 15 = (840 - 7)(840 + 7) - 58800 - 240 + 15 = (833)(847) - 58800 - 240 + 15 = 706231 - 59025 = 647206

15) (470 - 5)(470 + 5) - 1670² + 33 = (280 - 5)(280 + 5) - 164900 + 33 = (275)(285) - 78400 + 33 = 78375 - 78433 = -58

16) (560 - 10)(560 + 10) - 2560² + 560 - 36 = (300 - 10)(300 + 10) - 9000 + 300 - 36 = (290)(310) - 9000 + 300 - 36 = 89900 - 9336 = 80564

17) (470 - 7)(470 + 7) - 1670² + 1070 - 36 = (280 - 7)(280 + 7) - 16*4900 + 700 - 36 = (273)(287) - 78400 + 700 - 36 = 78211 - 77736 = 475

Ответ:
1) -1081
2) 529
3) 148
4) -264
5) -498
6) -710
7) -1621
8) -325
9) 274796
10) -1033
11) -598
12) 740856
13) 43794
14) 647206
15) -58
16) 80564
17) 475