solving equations and inequalities

Solve 5 - 2(3x2 - 2x) = x2 + 7 - 2x2

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1 Answer

5 -2(3x^2 -2x) = x^2 -2x^2 +7

-6x^2 +4x +5 =-x^2 +7

-5x^2 +4x=7-5

-5x^2 +4x-2=0

or 5x^2 -4x +2=0

quadratik equashun giv roots...0.4 +-0.4898979 i   (komplex variabels)
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