x^4+4x^3+2x^2-4x+1=0
<span> р(х) = Рх(х) - р2(х) + Зр3(x)=<span>2х2 - 5х -<span>Зх2 - 1+3x-6=-x^2-2x-7</span></span></span>
8x2 + 10x - 3 = 0D = b2 - 4acD = 100 + 96 = 196 = 14^2
8m+2-(5-7m)-4m =8m+2-5+7m-4m= (8+7-4)m+(2-5)=11m-3
при m= -2
11*(-2)-3=-22-3= -25