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lubaleonova
@lubaleonova
August 2022
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Решите пример. (4с+2)• (3с -5)=
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69KoT96
12с-10
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MooreMash
(4c+2)*(3c-5)=12c^2-20c+6c-10
12c^2-14c-10=0
D=(-14)^2-4*12*(-10)
D=196+480=676
c1=14+26/2*12=40/24=5/3
c2=14-26/2*12=-12/24=-0,5
ответ:5/3 и -0,5
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Answers & Comments
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12c^2-14c-10=0
D=(-14)^2-4*12*(-10)
D=196+480=676
c1=14+26/2*12=40/24=5/3
c2=14-26/2*12=-12/24=-0,5
ответ:5/3 и -0,5