Решить уравнение2x^2+14x-2014=0. Created by masha9801. algebra-ru

Решить уравнение2x^2+14x-2014=0...

July 2022 1 19 Report

Решить уравнение
2x^2+14x-2014=0

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sancheese 2x^2+14x-2014=0
делим на 2
x^2+7x-1007=0
D = 7^2 -4*1*-1007= 4077
√D = -/+ 3√453
x = 1/2 (-7 -/+3√453)
x1=1/2 (-7 -3√453)
x2=1/2 (-7 +3√453)

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