Question

3xy²+3x²-2xy-4y-4y if x=2 y=3

Answer 1

3*2*3^2+3*2^2-2*2*3-4*3-4*3
=54+12-12-12-12
=54-24
=20

Answer 2

x=2 and y=3 so,

3(2)(3)(3)+ 3(2)(2) -2(2)(3) -4(3)-4(3)
54+12-12-12-12
answer = 30