grid 1- 4xsquared plus 40x plus 100
grid 2 xsquared
grid 3 xsquared plus 40x plus 400
1) how many meters longer is the side length of grid 3 than the side length of grid 2
2) for what value of x is the area of grid 1 equal to the combined area of grid 2 and grid 3
3) the length of grid1 is 10 meters longer than the side length of grid 3. what is the total area of 3 grids?