Question
Subtract: $5 x y-3 x^2-2 y^2-3$ from $x^2-2 x y+6 y^2+8$.
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| Solid | Number of Faces | Number of Edges | Number of Vertices |
| (i) Cuboid/Cube | ..... | ..... | ..... |
| (ii) Triangular Prism | ..... | ..... | ..... |
| (iii) Hexagonal Prism | ..... | ..... | ..... |
| (iv) Triangular Pyramid | ..... | ..... | ..... |
| (v) Square Pyramid | ..... | ..... | ..... |
| (vi) Pentagonal Pyramid | ..... | ..... | ..... |
| Day | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| Number of cars sold | 15 | 6 | 9 | 3 | 18 | 12 |