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KLEO456
@KLEO456
June 2022
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Report
Квадратный трёхчлен разложен на множители:
5
x2
+33x+40 = 5
(
x + 5
)
(
x − a
)
. Найдите
a
.
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Answers & Comments
ShirokovP
Verified answer
5x^2 + 33x + 40
5(x + 5)(x - a) =
= 5(x^2 - ax + 5x - 5a) =
= 5x^2 - 5ax + 25x
- 25a
- 25a = 40
a = - 1,6
Ответ
- 1,6
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Answers & Comments
Verified answer
5x^2 + 33x + 405(x + 5)(x - a) =
= 5(x^2 - ax + 5x - 5a) =
= 5x^2 - 5ax + 25x - 25a
- 25a = 40
a = - 1,6
Ответ
- 1,6