Answer:
x=0; x=-2
Step-by-step explanation:
so first you do (x+2)^2 which is x^2+2x+4
4x^2 +8x +16 = 16
Subtract 16 from both sides
4x^2 +8x = 0
factor out 4x:
4x(x+2) = 0
N is greater than or equal to positive 16
n is lesser than or equal to negative 16
Answer:
352 ft²
Step-by-step explanation:
The formula for the area of a trapezoid is 
where 
and 
are the bases of the trapezoid and 
is the height, thus:
This means that the area of the trapezoid is 352 ft².
Answer:
32r + 39
Step-by-step explanation:
<u>Step 1: Distribute</u>
4(5 + 8r) + 19
<em>20 + 32r + 19</em>
<em />
<u>Step 2: Combine like terms</u>
<em>32r + 39</em>
<em />
Answer: 32r + 39
