A square paper has an area of x2 square units. A rectangular strip with a width of 2 units is cut off of the square, leaving an area of 120 square units.

Which equation can be used to solve for x, the side length of the square?

x2 = 2x + 120
x2 + 2x = 120
x2 – 2x + 120 = 0
x2 + 2x + 120 = 0

Question

A square paper has an area of x2 square units. A rectangular strip with a width of 2 units is cut off of the square, leaving an area of 120 square units. 

Which equation can be used to solve for x, the side length of the square?

x2 = 2x + 120
x2 + 2x = 120
x2 – 2x + 120 = 0
x2 + 2x + 120 = 0

anonymous · Answer

Hmmm,what do u think? @iam.dhue

anonymous · Answer

idk at all @MARC_

anonymous · Answer

@AnnalieseBronz @AlexandervonHumboldt2

anonymous · Answer

A rectangular strip with a width of 2units is cut off of the square means $$-2x$$

anonymous · Answer

leaving an area of 120 square units means $$+120$$

anonymous · Answer

x^2-2x+120=0 @iam.dhue