Question

(8х(во второй степени)-4х+3)-(5х(во второй степени)+2х+3) при х= -4,4

Answer 1

3x²-6x=3x(x-2)= - 13,2*(-6,4)=84,48

Answer 2

8*(-4,4)^2-4*(-4,4)+3-(5(-4,4^2))+2*(-4,4)+3=
=8*19,36+17,6+3-(5*19,36-8,8+3=
=154,88+17,6+3-96,8+8,8-3=84,48