[tex]\displaystyle 1)4x^2-3x=0\\x(4x-3)=0\\x=0,4x-3=0\\\\x_1=0,x_2=\frac{3}{4}=0,75\\ \\2)3x-27x^2=0\\3x(1-9x)=0\\x(1-9x)=0\\x=0;1-9x=0\\\\x_1=0,x_2=\frac{1}{9}[/tex]
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[tex]\displaystyle 1)4x^2-3x=0\\x(4x-3)=0\\x=0,4x-3=0\\\\x_1=0,x_2=\frac{3}{4}=0,75\\ \\2)3x-27x^2=0\\3x(1-9x)=0\\x(1-9x)=0\\x=0;1-9x=0\\\\x_1=0,x_2=\frac{1}{9}[/tex]