Yes
Mark brainliest please
Answer:Ok so im in 5th grade and ik how to do this you should to Step-by-step explanation: b2-4b-16 6.2
Answer:
14.25 units
Step-by-step explanation:
Area of a square= 


Solving the equation using quadratic equation then as attached
x=14.25 units
To prove
x-3=14.25-3= 11.25 units
area=11.25*11.25=126.5625 sq units