Question

Решите плиз:
y=(0-2)*(0+4)=
y=(1-2)*(1+4)=
y=(2-2)*(2+4)=
y=(3-2)*(3+4)=

Answer 1

1)y=0*0+0*4+(-2)*0+(-2)*4=-8
2)y=1*1+4*1+(-2)*1+(-2)*4=-5
3)y=2*2+2*4+(-2)*2+(-2)*4=0
4)y=3*3+3*4+(-2)*3+(-2)*4=7