Answer:
The length side of the original square banner was 9 ft
Step-by-step explanation:
Let
x-----> the length side of the original square banner
we know that
The new area of the banner is equal to

Solve for x

Solve the quadratic equation by graphing
The solution is x=9 ft
see the attached figure
<span>6x-7y=-84
7y = 6x + 84
y = 6/7(x) + 12</span>
Ninety-five hundreths is equivalent to

.
The numerator and denominator have a basic factor of 5, so we can divide the numerator and denominator by 5.
Answer:
x therefore will be equal to 4