adancolin adancolin
  • 11-01-2017
  • Mathematics
contestada

find the area of a square one side measures (x-2)

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peonywong20131
peonywong20131 peonywong20131
  • 11-01-2017
Area of a square:
(x-2)(x-2)
=(x-2)^2
=x^2-2x-2x+4
=x^2-4x+4 unit sq
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olemakpadu
olemakpadu olemakpadu
  • 11-01-2017
Area of a square is  side*side.

side = (x - 2)

Area = side*side = (x - 2)*(x - 2)

x(x - 2) -2(x - 2)

x*x - 2*x - 2*x -2*(-2)

x² - 2x - 2x + 4

x² - 4x + 4

Therefore area = x² - 4x + 4   square units.

Hope this helped.
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