8 класс сократите дроьь: m^3-m^2+m-1/m^2-2m+1

1. 10x²+x-2=0 D=1²-4*10*(-2)=1+80=81          -1+9          x1=_______=8/20=2/5=0.4            20         -1-9 x2=_____=-10/20=-1/2=-0.5           20 ⇒10x²+x-2=(x-0.4)(x+0.5) 2. x²+2.1x-1=0 D=4.41-4*1*(-1)=4.41+4=8.41         -2.1+2.9 x1=_________=0.8/2=0.4              2           -2.1-2.9 x2=_________=-5/2=-2.5               2 ⇒x²+2.1x-1=(x-0.4)(x+2.5) [latex] \frac{10x^2+x-2}{x^2+2.1x-1}= \frac{(x-0.4)(x+0.5)}{(x-0.4)(x+2.5)}= \frac{x+0.5}{x+2.5} [/latex] ответ:[latex] \frac{x+0,5}{x+2.5} [/latex]

(m^2(m-1)+(m-1))/(m-1)^2= (m-1)(m^2+1))/(m-1)(m-1)= (m^2+1)/(m-1)