Ответы на вопрос:
8х²+3х=0 x(8x + 3) = 0 x₁ = 0 8x + 3 = 0 8x = - 3 x₂ = - 3/8 2) 3х² - 8 = 0 3x² = 8 x² = 8/3 a) x = - √(8/3) x₁ = (- 2/3)√6 b) x = √(8/3) x₂ = ( 2/3)√6 3) 5u² - 6u = 0 u(5u - 6) = 0 u₁ = 0 5u - 6 = 0 u₂ = 6/5 u₂ = 1(1/5) 4) 2a - 4a² = 0 2a(1 - 2a) = 0 2a = 0 a₁ = 0 1 - 2a = 0 a₂ = 1/2 5) 1 - 16y² = 0 16y² = 1 y² = 1/16 y₁ = - 1/4 y₂ = 1/4 6) 2x² - 4 = 0 2x² = 4 x² = 2 x₁ = - √2 x₂ = √2
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