Arectangular deck is 12 ft by 14 ft. when the length and width are increased by the same amount, the area becomes 288 sq. ft. by how much were the dimensions increased?

a. 2 ft
b. 4 ft
c. 8 ft
d. 10 ft

Option B. 4 FT

Step-by-step explanation:

Let

x ----> the same amount

The area of rectangle is

The new dimensions are

The area increased is equal to

Solve the quadratic equation by graphing

The solution is x=4 ft

see the attached figure

the correct answer to your question is a. 4^4

good luck my friend!

hope this !

maybe if i you could me by giving me brainliest?

! < 3

have a splendid day < 3 : )

what is the original number? you forgot to add it.