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May 2023
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2. Розв'язати квадратнi рiвняння: a) 4x ^ 2 - 4x - 3 = 0 ; Б) x^ 2 +3x-1.30=0.
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verbickadarina35
Ответ:4x^2 + 4x - 3 = 0
D = b^2 - 4ac = 16 + 48 = 64 = 8^2
x1 = ( - 4 + 8) / 8 = 4/8 = 0,5
x2 = ( - 4 - 8) / 8 = - 12/8 = - 1,5
Объяснение:
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Answers & Comments
Ответ:4x^2 + 4x - 3 = 0
D = b^2 - 4ac = 16 + 48 = 64 = 8^2
x1 = ( - 4 + 8) / 8 = 4/8 = 0,5
x2 = ( - 4 - 8) / 8 = - 12/8 = - 1,5
Объяснение: