what is the area of a square if the side measures (x - 2) meters?
a. x² - 4x + 4
b. x² + 6x - 4
c. x² + 8x + 4
d. x² - 8x - 4
a. x² - 4x + 4
b. x² + 6x - 4
c. x² + 8x + 4
d. x² - 8x - 4
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Answer:
Area of Square:
A = a²
= (x - 2)²
= (x - 2)(x - 2)
= x² - 2x - 2x + 4
A = x² - 4x + 4 (A)