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A square has an area of 4x² - 121. What is the length of each side?
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24 votes
A square has an area of 4x² - 121.
What is the length of each side?

User Matthew Wilkes
by
6.1k points

1 Answer

9 votes

Answer:

2x - 11, 2x + 11

Explanation:

The length of each side must multiply together to get
4x^2 - 121 so have to factorise to make 2x-11 and 2x +11.

User Galakt
by
5.5k points
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