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10 March, 19:43

Simplify this expression.

4 (9n-9)

a. - 10n+20

b. - 10n+19

c. 36n-36

d. - 8n+56

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Answers (1)
  1. 10 March, 20:00
    0
    C. If you multiply 4 times 9 = 36n - 36 (you have to multiply all the numbers in the parenthesis by the outside number.
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