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annakisa553
@annakisa553
August 2022
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Решение квадратного уравнения:
(x^2)/3 +2x-9=0
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hlopushinairina
X²/3+2x-9=0⇒x²+6x-27=0⇒
x₁₂=-3⁺₋√(9+27)=-3⁺₋√36=-3⁺₋6;
x₁=-3+6=3; x₂=-3-6=-9;
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Answers & Comments
x₁₂=-3⁺₋√(9+27)=-3⁺₋√36=-3⁺₋6;
x₁=-3+6=3; x₂=-3-6=-9;