Question

Answer these questions.Correct answers will be marked as brainlist.​

Answer 1

1.5y-3x²+xy

-5y+3x²-2

=10y-6x²+xy-2(x=2,y=-1)

=-10-24-2-2=10-28=-18

2.

I)x=-2,3(2x-4)+x²+5

3(-4-4)+4+5

3(-8)+9=-24+9=-15

2)-2(-3x+5)-2(x+4)

-2(6+5)-2(-2+4)=-2(11)-2(2)=-22-4=-26

3.3x²+5x-2t=8,x=-1

3-5-2t=8

-2-2t=8

-2t=10

t=-5

Answer 2

Answer:

we can be good friends....thnks