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Lim0nchickS
@Lim0nchickS
August 2022
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6x^2-11x-30 надо представить в виде произведеия
.
.
6x²-11x-30=0 => x=(11±29)/12; x1=10/3, x2=-3/2 =>
6x²-11x-30=6(x-x1)(x-x2)=(6x-20)(x+1,5) или (3x-10)(2x+3) это не правильно
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ВладимирБ
Verified answer
6x^2-11x-30
D=(-11)
²+4*6*30=121+720=841=29²
x₁=(11+29)/12=10/3
x₂=(11-29)/12=-18/12=-3/2
6x^2-11x-30 =6(x-10/3)(x+3/2)=(3x-10)(2x+3)
да, у Вас верное решение
1 votes
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Answers & Comments
Verified answer
6x^2-11x-30D=(-11)²+4*6*30=121+720=841=29²
x₁=(11+29)/12=10/3
x₂=(11-29)/12=-18/12=-3/2
6x^2-11x-30 =6(x-10/3)(x+3/2)=(3x-10)(2x+3)
да, у Вас верное решение