Answer:

Step-by-step explanation:
We want to solve for x in

We group constants on the right to get:

We apply difference of two squares




Answer:
-2
Step-by-step explanation:
15 pounds of Sugar will cost $27.81.
18.54/2=9.27. 9.27*3=27.81. So your total answer would be $27.81.
Because the side has to be increased by 50%
you find half of 8, which is 4 and you add 8+4 because you add the increased amount
8+4=12
you then just find the area.... so 12x12= 144