Question

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?

Answer 1

Option C

Explanation:

edge 2021

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Answer 2

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