1)36x - x² = 0
x² - 36x = 0
x (x - 36) = 0
x=0 x - 36 = 0
x = 36
Ответ : х1 = 0
х2 = 36
2)16x³ + 8x² + x = 0
x(16x² + 8x + 1) = 0
x = 0 16x² + 8x + 1 = 0
D = b² - 4ac = 64 - 4 × 16 × 1 = 0
x = -b/2a = -8/32 = -0,25
Ответ : x1 = 0
x2 = -0,25
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Answers & Comments
1)36x - x² = 0
x² - 36x = 0
x (x - 36) = 0
x=0 x - 36 = 0
x = 36
Ответ : х1 = 0
х2 = 36
2)16x³ + 8x² + x = 0
x(16x² + 8x + 1) = 0
x = 0 16x² + 8x + 1 = 0
D = b² - 4ac = 64 - 4 × 16 × 1 = 0
x = -b/2a = -8/32 = -0,25
Ответ : x1 = 0
x2 = -0,25