# Algebra

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What is the side length of a square with an area of 144x²?
A.12
B.12x
C.±12x
D.no solution
I think it is C...? If I am right can you show your work please...I am just starting to understand these..thank you

• Algebra -

Correct!

• Algebra -

To answer this, we need to know the expression for the area of a square which is the square of its side length or:

Area = a²

Solving for the side length,

a = √area
a = √144x²
a = 12x

Therefore, the side length is 12x.

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