155k views
2 votes
A square picture with a side length of 4 inches needs

to be enlarged. The final area needs to be 81 square
inches.
Which equation can be used to solve for x, the
increase in side length of the square in inches?

User Keagan
by
7.1k points

2 Answers

7 votes

Answer:

Option C

Explanation:

edge 2021

have a nice day :)

User Dallin Romney
by
6.8k points
3 votes

Answer:

x²+8x-65=0

Explanation:

The equation to be used is

A=side²

The increased side = X

(4+x)² =81

x² +4x+4x=16=81

x²+8x+16-81=0

x²+8x-65=0

User Mrdecemberist
by
6.6k points