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dahonkad
@dahonkad
July 2022
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помогите пожалуйста срочно надо
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m11m
Verified answer
X²-x-20=0
D=1-4*(-20)=1+80=81
x₁=(1-9)/2=-4
x₂=(1+9)/2=5
x²-x-20=(x+4)(x-5)
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Verified answer
X²-x-20=0D=1-4*(-20)=1+80=81
x₁=(1-9)/2=-4
x₂=(1+9)/2=5
x²-x-20=(x+4)(x-5)