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карина2247
@карина2247
November 2021
2
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(a-5)(3a+2)
Решите пожалуйста))))
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tupayayauzhastno
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mikael2
(a-5)(3a+2)=3a
²-15a+2a-10=3a²-13a-10
проверка
√D=√169+120=√289=17
a1=1/6[13+17]=5
a2=1/6[13-17]=-2/3
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Answers & Comments
проверка
√D=√169+120=√289=17
a1=1/6[13+17]=5
a2=1/6[13-17]=-2/3