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Зайчик1612
@Зайчик1612
July 2022
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найди корни уравнения (0,8-4x)(5x+5.5)=0
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chingizidka
4(0,2-х)* 5 (х+1,1)=0
0,2х+0,22-х^2-1,1х=0
x^2+0.9х+0,22=0
д=0,81+0,88=1,69
х = (-0,9+-1,3)/2=0,2 и -1,1
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Answers & Comments
0,2х+0,22-х^2-1,1х=0
x^2+0.9х+0,22=0
д=0,81+0,88=1,69
х = (-0,9+-1,3)/2=0,2 и -1,1