Answer:
wait what? hmmm hmmmmmm
ya
Step-by-step explanation:
22
1. n + 7 ≤ 9
2. 3w < 18
3. 3 < s + 4
4. 4 ≥ x/2.1
Area of a square = Side × Side
Side = 7x-3
Area of the square = (7x-3) × (7x-3)
= 7x(7x-3) -3(7x-3)
= 49x^2 -21x -21x +9
=49x^2 -42x +9