Реши квадратное уравнение:
a) x² – 4x + 3 = 0
b) 3x² + 5x – 2 = 0
c) x² + 15x + 60 = 0
d) 8x² – 13x + 5 = 0
e) 2x² – 5x = 0
a) x² – 4x + 3 = 0
b) 3x² + 5x – 2 = 0
c) x² + 15x + 60 = 0
d) 8x² – 13x + 5 = 0
e) 2x² – 5x = 0
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Answers & Comments
Ответ:0 и 2.5
Объяснение:е)2x²-5x=0
X(2x-5)=0
[X=0
[2x-5/0=>x=5/2(2.5)