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5 November, 03:12

Write as an expression and simplify:

The square of the difference of x and 8y

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Answers (1)
  1. 5 November, 03:29
    0
    x² - 16xy + 64y²

    Step-by-step explanation:

    The difference of x and 8y is x - 8y

    The square of the difference is (x - 8y) ² = (x - 8y) (x - 8y)

    Expand by multiplying each term in the second factor by each term in the first factor, that is

    x (x - 8y) - 8y (x - 8y) ← distribute both parenthesis

    = x² - 8xy - 8xy + 64y² ← collect like terms

    = x² - 16xy + 64y²
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