Answer:
x^2 ×1 2x + 36
Step-by-step explanation:
area of a square = L × B
= (x+6) (x+6) since a square has 4 equal sides, it becomes (x+6) (x+6)
= x(x+6) +6(x+6)
= x^2 + 6x + 6x +36
= x^2 + 12x +36 added all the like terms 6x + 6x = 12x
hope this helps ☆☆☆
Answer:
12x-84y+24z
Step-by-step explanation:
Answer:
900 meters
Step-by-step explanation:
There are about 3 feet in a meter, so to find the answer you have to add up all the meters he swam and then multiply it by that.
So the equations will be: 100+200=300, 300x3=900.
Hope you get an A! <3