Question

responda:

2y²+3y-5y+y² para y=-2

Answer 1

2y2+3y-5y+y2=

2.4+3.2-5.2+4=

8+6-10+6

8+6-6+=

8

Answer 2

2y²+3y-5y+y²            y=(-2)
2*(-2)²+3*(-2)-5*(-2)+(-2)²=
2*4-6+10+4=
8-6+10+4=
2+14=16