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Kirka002
@Kirka002
July 2022
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Ребят, умоляю, срочно нужно решить, не получается и всё(
(Фото) Хотя-бы первое) (найдите p(X)....)
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xxxeol
Verified answer
2а) 2х*(х-4) = 2х³-8х
2б) х²у*(х+у²) = х³у³ = (ху)³
3а) (3х+1)² = 9х²+9х+ 1
3б) (х-у³)² = х² - 3ху³ +у⁶
5)
(2х+5)(3х-7)+(2х-1)(2х+1)=(5х+3)(2х-5) =
6х² - 14х +15х -35 +4х²-4 = 10х²-15х+6х-15
10х = 35+4-15 = 24
х = 24/10 = 1 2/5 = 1,4
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Kirka002
спасибо
Kirka002
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Answers & Comments
Verified answer
2а) 2х*(х-4) = 2х³-8х2б) х²у*(х+у²) = х³у³ = (ху)³
3а) (3х+1)² = 9х²+9х+ 1
3б) (х-у³)² = х² - 3ху³ +у⁶
5)
(2х+5)(3х-7)+(2х-1)(2х+1)=(5х+3)(2х-5) =
6х² - 14х +15х -35 +4х²-4 = 10х²-15х+6х-15
10х = 35+4-15 = 24
х = 24/10 = 1 2/5 = 1,4