g. R/ x=1 de multiplicidad 2.
[tex]x^{2} -2x+1=0\\(x-1)^{2} =0\\x=1[/tex]
h.
[tex]n^{2}-2n-8=0\\ (n-4)(n+2)=0\\n=4, n=-2[/tex]
i.
[tex]-4x^{2}+12x-8=0 \\-4(x^{2} -3x+2)=0\\(x^{2} -3x+2)=0\\(x-2)(x-1)=0\\x=2, x=1[/tex]
j.
[tex]12y^{2} -14y+4=0\\2(6y^{2} -7y+2)=0\\6y^{2} -7y+2=0\\(2y-1)(3y-2)=0\\y=\frac{1}{2}, y=\frac{2}{3}[/tex]
