5х(2х-3)-2,5х(4х-2) при х=-0,01

Question

5х(2х-3)-2,5х(4х-2) при х=-0,01

Answer 1

5x(2x-3)-5x(2x-1)=10x^2-15x-10x^2+5x=-10x=-10*-0.01=0.1

Answer 2

5*0,01*(2*0,01-3)-2,5*0,01*(4*0,01-2)=-0,1