Question

Please give Answer in step-by-step its urgent ​

Answer 1

Answer:

when x=-1 and y=2

we have,

2x^2-3y+3x^2+5y^2+5x-7-7x+2y

2(-1)^2-3(2)+3(-1)^2+5(2)^2+5(-1)-7(-1)+2(2)-7

2(1)-6+3(1)+5(4)-5+7+4-7

2-6+3+20-5+7+4-7

36-18

18