(6x–1)(6x+1) - 4x(9x+2) = −1
Simplify the left side:
36x^2-1 -36x^2-8x = -1
Combine like terms:
-1 -8x = -1
Add 1 to both sides:
-8x = 0
Divide both sides by -8:
x = 0 / -8
x = 0
The root is 0
Answer:
sorry men this is not the answer
Step-by-step explanation
Let
x---------> the length of the sides that have the same length in meters
we know that
the perimeter of the figure is equal to

<u>solve for x</u>



therefore
<u>the answer is</u>
Each of the same length side is
long
Color 4 boxes because 4/1 times 1/3 equals 4/3 witch is 4 boxes