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August 2022
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ПОМОГИТЕ ПЛИЗ СРОЧНО
решите уравнение (2x-3)^2-4 умножить (x+1)^2=2
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ShirokovP
Verified answer
4x^2 - 12x + 9 - 4(x^2 + 2x + 1) = 2
4x^2
- 12x + 9 -
4x^2
- 8x - 4 - 2 = 0
- 20x + 3 = 0
- 20x = - 3
x = 3/20
x = 0,15
2 votes
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Verified answer
4x^2 - 12x + 9 - 4(x^2 + 2x + 1) = 24x^2 - 12x + 9 - 4x^2 - 8x - 4 - 2 = 0
- 20x + 3 = 0
- 20x = - 3
x = 3/20
x = 0,15