Question

If x=1,y= -2 and z=3 find the value of

x2y+y2z

Answer 1

Answer:

1×2×-2+(-2) ×2×3

=-4+(-12)

=-16

Answer 2

$(1 \times 2 \times ( - 2)) + (( - 2) \times 2 \times 3 =$

$( - 4) + ( - 12) = - 4 - 12 = - 16$