Question

how do I expand (x-2)^2

Answer 1

Answer:

x2 + y2 -2xy

Step-by-step explanation:

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Answer 2

(x - 2)²

This is of the form (a - b)² = a² + b² - 2ab

Using this formula,

(x - 2)² = x² + 2² - 2(x)(2)

         = x² + 4 - 4x