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Da7296
@Da7296
July 2022
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Решите уравнение х²+9х+18=0
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ShirokovP
Verified answer
X^2 + 9x+ 18 = 0
D = 81 - 72 = 9 = 3^2
x1 = ( - 9 + 3)/2 = - 6/2 = - 3;
x2 = ( - 9 - 3)/2 = - 12/2 = - 6
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Answers & Comments
Verified answer
X^2 + 9x+ 18 = 0D = 81 - 72 = 9 = 3^2
x1 = ( - 9 + 3)/2 = - 6/2 = - 3;
x2 = ( - 9 - 3)/2 = - 12/2 = - 6