Помогите: 6x^3+21x^2+9x=0...

Ded22322 @Ded22322

July 2022 1 4 Report

Помогите: 6x^3+21x^2+9x=0

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Dимасuk

Verified answer

6x³ + 21x² + 9x = 0
3x(2x² + 7x + 3) = 0
3x(2x² + 6x + x + 3) = 0
3x[2x(x + 3) + (x + 3)] = 0
3x(2x + 1)(x + 3) = 0
3x = 0 или 2x + 1 = 0 или x + 3 = 0
x = -3; -0,5; 0

Ответ: x = -3; -0,5; 0.

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