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9 September, 10:43

Simplify 5m-2 (6m-5) + 2

a. - 7m-8

b. - 7m+12

c. 17m+12

d. 17m-8

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Answers (1)
  1. 9 September, 11:13
    0
    The answer is B. - 7m+12.

    First distribute the - 2 to 6m and - 5.

    5m-2 (6m-5) + 2

    5m + (-2*6m) + (-2*-5) + 2

    5m+-12m+10+2

    After that, combine the like terms.

    5m+-12m+10+2

    -5m+-12m=-7m

    10+2=12

    The simplified expression is - 7m+12.
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