Answer:
4x³ + 14x² + 8x + 6
Step-by-step explanation:
Perimeter = 2(L + W) = 2(7x² + 4x + 3 + 2x³) = 14x² + 8x + 6 + 4x³
40 Squared units
3
- 4x³y² + 6
the x is raised to the power of 3 , that is exponent of x is 3
d
