Answer:
side length = 0.8 yards
area = side length^2= 0.8^2 = 0.64 or 64/100
Step-by-step explanation:
hope that helped
(ax + b)² = a²x² + 2abx + b²
In this case, a = 1, so:
14 = 2b
b = 7
(x + 7)² = x² + 14x + 49
