F x (x + h) - fx/h
fx +fh - fx /h
fh/h
f
So f is the answer
We know that 
.
Solve using cross multiplication of the last two fractions. I will use 
to represent the width of the rectangle. 
Multiply. 
Divide both sides of the equation by 
. 
Answer:
x = - 8
Step-by-step explanation:
vertical line : x = -8
If you are converting, make the denomenator 100 for fractions or look at 2 decimal places for decimals. if you want to find a certain percentage for a total, make the total of the item 100% and from there find 1% and multiply to the wanted percentage
Answer:
X=±8
Step-by-step explanation:
x²=64
x²=8²
X=±✓8²
X=±8
