Answer:
2x - 4
Step-by-step explanation:
2(3x + 6) = 6x + 12
2(-2x - 8) = -4x -16
6x + 12 - 4x - 16 = 2x - 4
1. 2.00321
2. 2.01465
3. 2.0155
4. 2.04285
you can find the length of the side of a square by square rooting the area, which is 225. the square root of 225 is 15