The shaded area = The big square area - small square area
square area = side²
(x+4)² - 4
= x² + 8x +16 - 4
= x² +8x +12
The answer to this problem is D
Answer:
expression 3
because expression 1 = 1
and expression 2 = 7
<span>2.66666667 !!!!!!!!!!!!!!!!!</span>
