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nastyazilewa
@nastyazilewa
March 2022
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помогите решить 10х в квадрате -19х-29
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ГородскаяОхотница
Vashe zadanie resheno
0 votes
Thanks 1
Kixcertborn2
Verified answer
10x² - 19x - 29 = 0
D = (- 19)² - 4 * 10 * (- 29) = 361 + 1160 = 1521 = 39²
x₁ = (19 + 39) : 20 = 2,9
x₂ = (19 - 39) : 20 = - 1
0 votes
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Verified answer
10x² - 19x - 29 = 0D = (- 19)² - 4 * 10 * (- 29) = 361 + 1160 = 1521 = 39²
x₁ = (19 + 39) : 20 = 2,9
x₂ = (19 - 39) : 20 = - 1