[tex](3x-2)(4+\frac{1}{3} x)=0[/tex]
[tex](2x+1.2)(x+1)(0.7x+0.21)=0[/tex]
[tex]\frac{2x}{7} +\frac{x}{4} =\frac{15}{14}[/tex]
[tex]-\frac{x}{8} +1=\frac{x}{12}[/tex]
[tex](2x+1.2)(x+1)(0.7x+0.21)=0[/tex]
[tex]\frac{2x}{7} +\frac{x}{4} =\frac{15}{14}[/tex]
[tex]-\frac{x}{8} +1=\frac{x}{12}[/tex]
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Ответ:
1) 2x + 1.2 = 0;
2x = -1.2;
x = -1.2 : 2;
x = -0.6;
2) x + 1 = 0;
x = -1;
3) 0.7x - 0.21 = 0;
0.7x = 0.21;
x = 0.21 : 0.7;
x = 0.3.
Ответ: x = -0.6; x = -1; x = 0.3 корни уравнения.