1 a) x² - 36 = 0
x² = 36
x₁ = 6, x₂ = -6
1 б) 2x² = 3x
2x²- 3x = 0
x ( 2x - 3 ) =0
x₁ = 0
2x - 3 = 0
2x = 3
x₂ = 3/2 = 1.5
2) (3x - 1 ) ( 2x + 3) = 3 (2x-1)
6x² + 9x - 2x - 3 = 6x - 3
6x² + x = 0
x (6x + 1) = 0
x₁ = 0
x₂ = - 1/6
3) - сложный, нет времени решать, уж извини.
рррннр және қаласы бойынша мемлекеттік кірістер департаменті оңайлатылған және
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Поделитесь своими знаниями, ответьте на вопрос:
25< 28, √25< √28,
6< 16, √6< 4,
36> 32, 6> √32,
3> 2,89, √3> 1,7,
1,69=1,69, √1,69=1,3,
1/6> 1/7, √1/6> √1/7,
18> 16, √18> 4,
17< 25, √17< 5